OBD II fan trigger (96+) - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-25-2004, 03:29 PM   #1
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Default OBD II fan trigger (96+)

K.. been thinkin of making a switch and relay sytem to kick the fan on manually instead of having to turn the Compressor on ( using A/C or front windshield defogger ). Whats the trigger the PCM uses?? Negative or positive? Any schematic would be greatly appreciated too.. thanx.
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Old 06-25-2004, 03:30 PM   #2
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P.*.

I know I can BUY them from INTENSE and the likes.. but meh.. I'm a cheap a$$ and like to get my hands dirty and do it myself instead of spending all that kinda money for something I can do on my own.
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