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Old 10-22-2020, 01:45 PM   #8
Canadian 72 C15
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Join Date: Oct 2020
Location: Hamilton Ontario
Posts: 39
Re: What are these wires for ? 72 GMC

Quote:
Originally Posted by geunther View Post
Agree with KWMECH. Wires for TCS solenoid. The green wire is for the secondary temp sensor related to override TCS function, not for the temp gauge. The temp sensor for TCS function was between 6 and 8. So, trucks with TCS had two temp sensors.
Wow awesome info. Thanks. Ok so safe to say then now that I have an 80’s 305 and soon to be a 350 or something else I can get rid of these wires and will never need to use them again ? Where do they come from and can I unplug them from somewhere in the firewall or somewhere else? Want to clean up the engine bay of unnecessary wires.
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