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Found 29 results
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I have been reading a ton on this site and am ready to post wiring directions on the combo switch for those of you using an EZ Wiring harness. There may be some differences between what model combo switch you have; the one I am working with is off of a 260z and has a 9 pin wiper connector. Some of you may disagree with my wire labeling; well you are wrong; I got it from a guy who restores the combo switches and has done so for over 2 decades. I am going to trust his info and my success with wiring. You will notice a few changes in my chart than in previous posts by other members. Again, I know mine works and has not been altered in any way from the original Datsun wire colors and functions. Let me know if you have any questions. I am running a full LED lighting system around the car. 260z Combo Switch to EZ Wiring Harness.pdf
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I've been putting in alot of time in the garage trying to tuck and shave my bay along with installing megasquirt. My only question about the whole thing is, how am I to ground the million black wires? I've read NOT to ground them all in the same spot. I've also read NOT to solder them into a bigger wire and put it in a single location. But I HAVE heard that I should ground everything to my block. I'm currently wiring the injectors. Where do I ground this bundle of 6 black wires? Tha k you very much for your response. Sorry if this is in the wrong place or already posted. Still trying to figure out forums.
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i am swapping a vg into a 1991 nissan stanza, the harness im using is from a 1994 maxima, this image is from the 94 maxima FSM i need to know what these two plugs actually do and where the wires in them go. the plugs between the stanza body harness and the maxima engine harness are different (stanza body harness is a 4 pin, maxima engine harness is a 6 with 2 pins jumped for some reason) i have the stanza engine harness which i plan to steal the 4 pin plug from and mate that to the maxima engine harness to connect the two together. i have managed to find some wiring diagrams (both appear to be engine harness/ECU pinout diagrams) that may or may not be of any use from the google machine. i am not sure what the plug might be labeled in them and i dont know if the plug has a traditional name that im missing, while im pretty familiar with wiring diagrams im having trouble finding the plug here (if its even accounted for) i know the plugs contain a power connection that i definitely need to complete in order for the ECU and the distributor, tps, etc. to get power. if i cant get any information while i wait ill probably just complete the power connection and see what else isnt working while i go through the car. of course my multimeter has to crap out on me a week before i get into this harness work so ill be buying a new one of those but in the mean time i thought i would seek out the help of some experts. here is a link to my build thread to maybe lend some insight into what im trying to accomplish: https://maxima.org/forums/3rd-generation-maxima-1989-1994/695655-turbo-vg-swapped-stanza.html
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I have recently rebuilt the VG30E that is in my 1985 300zx, NA and automatic. It was a stock rebuild with a rebuild kit except for the cams, which were replaced by a Wolf Technologies AZ314-000S1. Because of the new cams I also opted for a 1987 ECCS with JECS#: A18-679 M83 with nistune installed. The engine has been assembled for a couple weeks now and it's still having problems. It will fire and it seems like the timing isn't set right. We have gotten it to run long enough to hopefully break in the cams, but it has rpm fluctuations under throttle and wont idle. The current thinking is that there is a problem between the new ECCS and the 1985 wiring harness but we have tried changing some pins that we thought were incorrect, like the injector wiring into the ECCS, and it performed worse after. We are back where we started. There is also a possible problem with stock map installed with the nistune software and whether or not that is affecting it. We are using the stock bin file for a 1988 NA automatic and don't know if that could be causing a issue Any help or advice would be much appreciated. If there's anything else that would help find a solution, please ask and I'd be happy to answer.
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Hello everyone, I'm having some issues with getting my 1971 240z started. I've changed fluids, cleaned spark plugs, and got a new battery. I've had the starter and the alternator checked and they are both good. I have power going to the voltage regulator when the key is on but all I get is a clicking sound from a relay that is inside the cab on the passenger side. The fuse box has power but has been modified from stock by the previous owner. I have a video at :54 is the relay clicking. Any help is appreciated. I can also take more vids of dash and engine wiring.
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I have a 1972 240z, and the guy I bought it from got a viper security system and a beefy sound system wired in (very poorly might I add). I need to rewire a lot of the engine bay and the wiring diagrams available are not helping, a lot of wires are spliced and replaced that don't match up or are just taped off and lead nowhere. If anybody has a diagram of all the 10 pin connectors that are located underneath the passenger side of the dashboard it would help a lot, or if anybody has any self made diagrams that are at all related to engine bay wiring please post them, anything might help me out.
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I've been a member here for 13 years and have probably read every post (twice). Now I have a bunch of questions so I tried to wrap them all up into one big question with the use of a wiring diagram. Would someone with good wiring knowledge please look over my drawing and advise me if it’s OK as is or what needs to be changed. Thanks guys! 1977 Datsun 280Z Restomod 2005 L33 Chevy 5.3L V8 Motor Carb Manifold with MSD Ignition
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Would someone be so kind as to look for me and tell me which side the wiring comes out of for the steering wheel, left side of it or right side of it, that would be super helpful. I'm having trouble getting the reach I need and I think I installed incorrectly.
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Just got my LS6 up and running using MS3Pro and the DIYAutoTune drop on LSx 24 harness. From the harness, there is 1 wire that goes to the alternator to activate a low charging light. That's the only wire on the plug. The alternator I got reman from RockAuto (98-02 Camaro) was tested fine at AutoZone. The alternator will not charge. I have the hot lug run back to a fuse block where all the large gauge wires centralize from the battery. I tried running a wire from the 'sense' pin on the alternator back to the fuse block so the system has 'reference' voltage, but that didn't work either. The 4 pins on my alternator plug are 1) Phase, 2) Indicator lamp, 3) Ignition, and 4) Sense. The DIY harness was rigged to the Indicator lamp, and as stated, I tried running a Sense wire to my fuse block. I am currently researching, but not coming up with much. I am not quite sure what I'm missing here. Anybody have any ideas?
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Hi all I would like a quick run down of the wiring schematic or any kind of help to get this 1jz started outside of the car. Came with all wiring stock from factory as well as ECU. ECU has four plugs and is a jzx100 motor. Etcs What wires do I need to hook up to get this baby to run
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Hello i am new to this forum but i hope to get some opinions. I have fully restored my 260z and it is mostly stock, i recently bought and rebuilt a l28et. now that the engine is done i am moving to the wiring and i come to realise that i do not have the proper wiring harness. The guy i got the engine from gave me everything he had. by the looks of it i have a 82 l28 ecu and harness, a later 70's wiring harness slightly cut up, and the correct 82 l28et ecu. Should i bother with the stock ECCS and make a harness or should i buy a megasquirt. The megasquirt is tempting but im one to save a dollar. the megasquirt seems very complicated for my liking. if anyone has an 82 l28et harness i need it. My hope is to finish this swap before april. thankyou
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Hi everyone I'm currently doing a 81 l28et (all stock) swap into my 74 260z. My harness was missing the 6 pin ignition harness. I wired the correct yellow/white stripe wire (3) to my ignitor. Other prong on ignitor has its own switched 12v. The yellow wire (2) on the harness side has switched 12v. And finally the supposedly black ground wire (3) on my harness is cut and i can not for the life of me find the wire . If someone can tell me where this wire goes or what prong on the computer plug it connects to. Thank you 74 260z 73 240z
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Interior box has all the fuel injection relays & fuses in their own section. Then normal car body fuses. Then a panel with a 50 amp accessory relay, a ignition relay, horn relay & headlight relay. The ignition switch now only carries the load of the two relays. There is a forth section with 6 micro relays that is for expansion in the future.
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Wiring Specialties - New Product Release - RB20DET Pro Series!
wiring specialties posted a topic in Vendor's Forum
They are finally here! The long awaited RB20DET Pro Series wiring harness from Wiring Specialties. These harnesses use all the same high quality design materials as our other Pro Series lines and also come with our industry exclusive startup guarantee! Best of all, we have expanded our chassis specific applications to include the Nissan 240sx (S13/S14), Nissan 180sx, Nissan Silvia (S13/S14), Nissan 200sx S13, Nissan 300zx, Nissan Fairlady Z32, Datsun (all) and BMW E36. We have also developed a Universal harness that is suitable for all race cars and non EFI vehicles. http://www.wiringspecialties.com/r32rb20det.html PRO-SERIES HARNESS SPECS: Plug and Play NO CORE HARNESS or additional wiring required Point to Point continuity tested on every wire. Constructed using OEM connectors and seals Made with high temp TXL wire (-40C to +125C operating temperature) with adhesive shrink tubing Wrapped in lightweight nylon loom with -94C to +257C operating temperature Includes a charge harness and improved grounds Fully tested after production for an easy plug-and-play replacement Turn Key ENGINE START Guarantee Tech support for our customers 7 days a week. PRO-SERIES HARNESS INCLUDES: Main Engine/Transmission one-piece tucked harness Coilpack sub-harness Knock sensor sub-harness Alternator charge cable Nissan Diagnostics connector Power and dash interface connectors Retains factory A/C, speedometer, tachometer, engine temperature gauge, oil pressure sensor, alternator charge light, reverse lights and wipers Please give us a call, send an email or order online and we will get your harness shipped right out! -
Hello all. So I recently picked up a new 1976 280Z Non CA. It has a few mods to it. Stage III schneider cam, headers, monza exhaust. Something failed on the EFI and the previous owner cracked open the AFM and tweaked a bit. This is causing the engine to run extremely rich. The coolant temp sensor is dead also. I've decided after seeing many split wires and splicing that it would be best to start new with Megasquirt. I plan on purchasing the MS2 3.57 assembled unit and wiring harness. I know this question strays from the normal. I know the option of going to a 82-83 dizzy. As of right now, I just plan on running MS2 for fuel only. I know there is a trigger input that comes into the ECU like the stock setup. Is this acceptable for the MS2 or can I not use this. My understanding is that the injectors fire on every third pulse. Looking through wiring diagrams I put together this diagram. The 1976 datsun looks like it uses a dual coil setup with a transistor ignition box. Can I still have the megasquirt hooked up with this setup or will it not like it? Any advice would be greatly beneficial.
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I have 4 wiring harnesses for L28 engines. they are in various states of condition but on the whole look complete. I've included pictures, there are other engine related things included as well like a coil, a ballast of some sort. to be honest, my car didn't have a motor in it some I'm not 100% one their function. I'm thinking $50 each, but shoot me offers. I'm looking for interior parts for my 77 280z. like the tail light interior cover, black carpet kit, and other such nonsense.
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Ok, So I need some help with wiring. I am swaping a 1981 l28et into a 1976 280z I recently just found out that the wiring harness and ECU that I have is from an 1982; after checking the serial # on the computer and noticing that the wiring harness did not have a hook up for the dropping resistors. I have been having difficulty understanding the wiring diagrams for both the 1981/2 harness and the 1976 harness. I have been using the Bumble Z ( wiring torutrial as a reference but I am still confused. Most of what I have figured out is quite simple: the injectors, CAS, other sensors, but thats about it. Problems 1. The Coil and Ignitor This is my original coil. What can I remove from this harness what should I keep? This is my "new" coil I do not have the part of the harness that plugs into it but I have firgured out a way to make a plug for it I just need to know what goes to what. The pins on the ignitor are shaped like a T (a Black w/ whit wire and a Blue wire run to the ignitor from the coil) I cant figure what I should wire to this But I am pretty sure it has to do with the computers spark control. 2. Fuseable Links I have both fuseable links right now for the old engine and the "new" In this picture I have them mounted next to each other. I understand from the Bumble Z tutorial the only wires I need are the green a brown wire on the "new" harness. I am a little uneasy about removing or cutting any of the wires that lead to the existing fusable links. (Do I need this to run my lights or fuel pump?) 3. Ignition Harness This was pluged into what I belive is the ignition harness of the "new" ECU and the back end of this plug should somehow run to the ignitor/coil. In the bumble z tutorial he had a 6 prong plug, his one has 8. 4. Switched Power In the tutorial there are a lot of things that need to be run to switched power what should I use? I think I have firgured out that the black w/ white wire that runs to the coil should be switched power but im not really sure. I will really apreciate some input please dont tell me to search more, maybe at least point me in the right direction. I live in the Seattle area but my car is in lakewood (hour south of seattle). If there are any wiring gurus that can help me I would more than greatfull. Also I am a college student at Seattle University studying photography. i am willing to trade som automotive photography services for help with the wirring. Side Note: I am really losing morale I already have had one of the turbo engines I was working on stolen that I bought for $1000, wich is a lot of money to a college student. Thanks for all the help!!!
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Bought a 71 240. It's gone from the shins down. Rust bucket to the max. If I live long enough, i'll be riding in her. I had a 71 back in 74. I have done collision work for 35 years or so and I have a decent interim knowledge of component relations. This is the link to the video of the first start. https://youtu.be/Oqve26DR7i0 Here is the data. Tail lights work. Left front park light works. Left front marker works. Both rear markers work. No headlights. Wipers work. Glove box light works. Courtesy light on dash works. I have not checked bulbs. Power to six out of 8 fuse supplies. No power to headlight fuses. Right turn indicator burns dim when lights are on. (ground problem?) Indicator goes out when the park tail fuse is pulled out. This car is not a junk yard dog. It is the pile that the dog left by the fence. But, it is a poor man's dream and I love to see the contrast when the project gets to the finish line. Yeah! Thanks, Fletch
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Hello everyone, I am wondering how would the wiring work for the harness off an 83 280zx turbo into a 78 280z. Will the wiring for digital gauges on the 83 snap right on to the wiring on the 78's analog dash?
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So I can't seem to figure out this electrical problem. My turn signal switch worked for a while and then stopped working. Park lights still work when the headlights are turned on and hazard lights work, The brake lights worked for a while but recently stopped working as well (not sure if caused by turn signal problem) So I tried cleaning the connections by following this write up: http://fiddlingwithzcars.wordpress.com/2012/12/04/turn-signal-repair/ and after they still don't work. So i borrowed a turn signal from another 72' 240z and still nothing so it has to be before the switch. Haven't had the chance to follow the wire and i'm not really looking forward to dealing with electrical since i just fixed an alternator problem which was a headache. Any input is appreciated.
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Everything is from a 1983 280ZX with 3N71B auto trans. Complete, uncut wiring harness: The sticker on the computer reads A11-654 806. Some of the connectors from the engine bay have UV damage, but everything else is in great shape. Asking $80 plus shipping. Window motors next.. I tested them after they were out of the car, and they can power themselves freely in each direction. Asking $15 ea. plus shipping. Finally, the distributor. I installed this D6K8 dizzy on my own 240Z and verified that it works perfectly fine. This came out of a '83 ZX. Probably noticed by now that it has an E12-93 matchbox module. I've been running one of these for years now on my own 240Z. It was what I had on hand when an E12-80 failed on me. When the later modules are wired correctly, they work just as well as an E12-80. Just need to run 1 extra wire, and I've posted about it before. Glad to share how to do it. Asking $80 plus shipping.
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I am in need of a complete dash wiring harness for my 1971 240z. also the gas gauge and amp gauge. thanks hope some one can help me out. Rick
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Wanted: wiring harness/pigtail for 280zx turbo electronic distributor or complete engine wiring
andypurce posted a topic in Parts Wanted
I need the wiring, including connectors, for the output from a late 280zx. Turbo electronic distributor. This is the dizzy with the single circular 360deg plate with 6 x output marks at 60deg intervals which connects to the 280zx ECU and is driven by a splined driveshaft not a straight tongue. I need the 4 pin (female) connector for the dizzy end with it along with a length of the wiring. The other end is not important but preferable if you can split it out from the loom. Alternatively I would be happy to purchase a complete "engine section" wiring loom as I can use this in stead of adding bits to my 260z loom. Can pay by PayPal or EFT. Thanks Andy -
85 300zx alternator plug same as 88 300zx plug
gijohnny23 posted a topic in Trouble Shooting / General Engine
So here's my delima, I have a 75 280z with a bad alternator, I want to slightly step up to the 85 300zx alternator (already shipped) because I don't physically have it yet I do not know what the new plug style will be and our junk yard only has an 88 300zx, now according the nissan parts website the 85 alternator partnumber is the same 83-86, so i'm just wondering if anyone knows if the plugs are the same so I can snach the 88's -
Regulator to harness connections, and alternator plug
thebruce posted a gallery image in Members Albums
From the album: Black Hole
Shorthand wire code: wire colour/tracer colour W. White Y. Yellow Bk. black R. Red
