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Anyone know a good source for wiring diagrams?


Tim240z

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Been thinking about this and searching the internet, but have yet to find anything.

Everytime a do a OEM conversion, I end up buying the FSM just to get the PCM pinouts and wiring diagrams. My last conversion (the 99 Burb drivetrain into my 71 C20), I bought the Helms manuals directly from Helms. The wiring schematics are terrible. So.....instead of buying the FSMs, is there a source for just decent wiring systems schematics?

Surely someone out there specializes in wiring diagrams.....anyone know of a place to contact?

Tim

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I used www.alldatadiy.com to wire up my LT1 when I switched from the speed density to the MAF system this summer. I personally found it very easy to use. It spilts up all the different system into easy to read diagrams. So you get a wiring diagram for Fuel, Ignition, Sensors, Emissions, Tranny, and etc... Makes it much easier to modify a harness when you only have to look at the stuff you need to.

 

 

Guy

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I have Alldata here at my shop. P.M. me what you need and I'll them faxed to you. If anybody out there has Mitchell on demand, They have good diagrams also.

JOEY

P.S. Going way back to Opel G.T. parts (sorry) I don't have any door regulators. If you come across anything else your missing, let me know

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I just go straight to the dealer. From my expiriance, they can ussualy be a great help. Eg; My 350 in mazda conversion. I went up to the local Chev dealer, told the parts guy what I was doing, and after he got over the shock of it :lol:, dug up the factory wiring diagrams for me. (had to get it from a store room, as 89 and down isn't on their computers) I got copys of about 5 pages, and it lays out in good detail what does what, and which wire is what color. I basicaly spent a week splicing it into the mazda and although I had the mazda book, it was pretty much useless. IE I just 'found' what I needed in the mazda, and hooked it up to the chev ecu.

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