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01-24-2022, 06:12 PM
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#1 |
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Registered User
Join Date: Jul 2011
Location: North Dakota
Posts: 107
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1986 C10 wiring
this has probably been covered. I'm restoring a 86 C10. Need to know what I need to use to keep the cruise and a/c. I'm going BBC so ECM will be tossed. Trans will be turbo 400. There is a ton of switches and boxes under the dash. Unfortunately I did not strip this down. So what can I toss. Has dual tanks, A/C, Cruise Gauges, and power locks. Thanks in advance....I know some one has done this just want to clean up the wiring.
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01-24-2022, 06:59 PM
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#2 |
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Registered User
Join Date: Jul 2006
Location: Alabama
Posts: 661
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Re: 1986 C10 wiring
The ECM only controls the carb IIRC. I tossed mine.
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01-24-2022, 08:05 PM
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#3 |
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Just here to tinker
 
Join Date: Jun 2008
Location: Holland, MI
Posts: 3,697
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Re: 1986 C10 wiring
There is a little blue box with three wires going to the optic eye in the Speedo. Keep that if you want cruise to work.
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