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My Speedhut gauge install


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I don't think that you can leave the potentiometer in place as I believe the lights are LEDs. I pulled mine earlier when I converted the stock gauges to LED lighting, that, and the potentiometer was not functioning throughout the range of motion.

 

You can always tap the heater console lights into the potentiometer themselves and just wire up the Speedhut gauges separately. The lights on the Speedhut's are not that bright as to be a destraction.

Edited by ktm
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Just mounted my speedhut gauges. Finally got to use my crack free dash also! I used the old gauge plastic bezels and epoxied them to the dash then mounted the gauges to them. For the tach and speedo I

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You need to hook them together. The amp meter is the worst part of the 240z electrical system. If you look at the wiring diagram, that is how the battery gets its charge from the alternator in a 240z! Make sure this is a SOLID connection. I kept melting my butt connector and you would see smoke periodically.

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So do I, but with the dash and harness still in the car when I first installed a 280z voltmeter, soldering and heat shrink were not an option. However, when I installed the Speedhuts, I eliminated that connection. I've rewired my car as well since this install. That alone was well worth it.

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Quick question, did you have a noise problem with your tach? Mine was very bouncy above 3500 rpms.

 

S130, did you figure out a fix for this? My tach as smooth as butter till about 3500 rpm as well, then it spikes all over the place. It even thought I was idling at 4k once after jumping around a bit.

Anyone else that may know a solution I'd be quite happy to try it.

 

 

Edit; I cut the purple wire loop on my lunch break. It removed the huge jumping/spiking over 3k, however the tach is jumping around 300-500rpm at all rpms now.

 

 

Sorry for the semi-old-thread bump.

Edited by spitsnaugle
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I installed the oil pressure sender from Speedhut into the stock pressure sender location and used a 1/8-bspt to 1/8-npt adapter. I was running a standalone engine management system that did not require an oil pressure signal. My coolant temp was provided by a different sender than the one from Speedhut.

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I just put the 4.5 inch gauges in mine. They fit very well into the carriers but you will have to find a way to hold them in. I used a combination of pvc pipe and screws but the guy who sells them in the group buys forum said he used hot glue. Here are a couple pictures of them mounted into the carriers.

 

 

http://imgur.com/RvUWuFc

http://imgur.com/G0AumuF

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Is there a turn signal and hand brake lights an option for the speedo/tach combo?

 

 

 

I just put the 4.5 inch gauges in mine. They fit very well into the carriers but you will have to find a way to hold them in. I used a combination of pvc pipe and screws but the guy who sells them in the group buys forum said he used hot glue. Here are a couple pictures of them mounted into the carriers.

 

 

http://imgur.com/RvUWuFc

http://imgur.com/G0AumuF

 

 

Edited by rigez
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