E-Fan problem blackbear harness
08-26-2012, 09:16 PM
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E-Fan problem blackbear harness
hat up to everybody i have 2003 Chevy Suburban Z71 1500 5.3 l i just finish installing black bear harness custom tune to turn pcm on for fan pin 42 problem i having soon battery hookup fan start running high passenger side without key on or engine running i pull the relay keep from kill the battery good thing when truck reach temp left fan come on what wrong why is fan run wild thank you alken26
08-27-2012, 08:27 PM
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yes i did wired incorrectly pcm pin 33 was splice to a/c relay fuse block i install plug #33 into empty spot #33 in pcm Fan are operating normal thank for help. and like this site has lot good subject. keep up the good work.
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muncie21
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09-07-2015 09:55 PM
