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Old 04-27-2013, 08:36 AM   #1
gafiredog
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Join Date: May 2008
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wiring diagram, and trans,speedo change over

I have looked and looked, a few days ago I saw a thread that showed how to change a electronic to cable, (or other way around) speedometer gear on a 700r4 ( I think). and a while back I saw a wiring diagram for the engine comp. for a 80s silverado. I can't find them any where, maybe looking in the wrong section. any help ? thanks, guys Art
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Old 04-27-2013, 05:30 PM   #2
hatzie
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Re: wiring diagram, and trans,speedo change over

The GM wiring diagrams for all 73-91 except 1984 are in my sig. Maybe someone will chime in on the rest.
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RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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Old 04-27-2013, 06:00 PM   #3
walkerscott
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Re: wiring diagram, and trans,speedo change over

what year truck do you have

not sure i understand what your asking


700r4 will have a cable driven speedo... but you can also get a special gm speedo adaptor that fits in the trans and gives a electronic signal in addition

cop cars had these adaptor

then there is also JTR jag that run ... are you running and ecm ?
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