OK i was sound crazy early sorry about that. i found and resolve the problem pin# 33 was install in pcm and" FAN ARE OPERATING NORMAL" thank to the persons who wrote threads on this subject here and other site thank you:D alken26 :D
where does pcm pin 33 for fan harness go ( to a/c harness or pcm pin 33) i read lot of verbiage where this pin should go 2003 Chevy Suburban Z71 5.3 1500 for electric fan thank you all
What up to everybody i have 2003 Chevy Suburban Z71 1500 5.3 l i just finish installing black bear harness custom tune to turn pin on my problem is pin 33 where does it get connected to pcm or a/c direct
What 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...
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