Where's the PCM...........
05-06-2009, 01:08 PM
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Where's the PCM...........
Guys- I need help. I'm finally geting around to installing my LS1 fans, have everything hooked up, just need to know where the PCM is so I can tap into pin 42. Thanks................
05-06-2009, 02:45 PM
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Found it- thanks. THere's 2 big plugs into it. How do I know which one is #42....................
And where do I get a good ground..........
And where do I get a good ground..........
Last edited by Mark Johnson; 05-06-2009 at 02:52 PM.
05-06-2009, 03:16 PM
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Look on the pcm, it will be tag on each side what color it is and what pins are what.. You will need a 8mm(iirc) socket to get the plus completely out... Yes they can be a PITA sometimes
05-06-2009, 03:35 PM
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Thanks guys- it was a 7mm bolt after all that secures'em on. didn't see a label or anything. I'm gonna have something to eat now and give it a go a bit later.............
Thanks guys.............
Thanks guys.............
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05-07-2009, 11:12 AM
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OK guys- still can't find pin#42. is is in the haynes or chiltons manual, maybe? I've attached a pic of the PCM, maybe I'm looking in the wrong place altogether...............
05-07-2009, 11:29 AM
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https://www.performancetrucks.net/fo...=363112&page=2
Scroll down towards the bottom of the link. Unfortunately, the picture that shows #42 is kinda blurry, but I know you'll need to disconnect the wiring from the PCM and attach it.
I'll be doing this mod this weekend, hopefully....
Scroll down towards the bottom of the link. Unfortunately, the picture that shows #42 is kinda blurry, but I know you'll need to disconnect the wiring from the PCM and attach it.
I'll be doing this mod this weekend, hopefully....
05-07-2009, 11:51 AM
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The light finally went on! when ya pry of the top cover to reveal the wires the numbers are there. Thanks for your patience everyone.........
Edi- It's pins 40 and 33 that I want to use- right..........
Edi- It's pins 40 and 33 that I want to use- right..........
Last edited by Mark Johnson; 05-07-2009 at 12:10 PM.