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#1 |
Registered User
Join Date: Dec 2019
Location: Greer Sc
Posts: 230
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Re: 64-66 C10 vintage air with LS question
Ok so trinary switch blue wire to pin 85. Which will ground ac when running or if bot running temp switch will turn on fans.
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1964 C10 Resto-mod 5.3L - L59 |
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#2 | |
Senior Member
![]() Join Date: Nov 2013
Location: East Tennessee
Posts: 2,124
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Re: 64-66 C10 vintage air with LS question
Quote:
If the AC is off, the fan will come on at the programmed engine tempš via the PCM If the AC is on, the fan will come on as determined by the trinary switch or by the engine temp or both combined. Once the fan starts by engine temp, the trinary ground is just redundant since the fan is running already.
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. ![]() |
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