is there anybody that has wired up a tach on an 03 truck pcm? my friend did an 03 8.1 swap in a 95 2500 and cant get the tach to work, I have efilive to program the pcm and I have schematics that show RPM out on C2 pin 10, but no tach.
is there anybody that has wired up a tach on an 03 truck pcm? my friend did an 03 8.1 swap in a 95 2500 and cant get the tach to work, I have efilive to program the pcm and I have schematics that show RPM out on C2 pin 10, but no tach.
i might be wrong but i remeber somewhere that its the white wire coming outta the pcm plugs, let someone confirm first my brain isnt really firing right now.
THEY CALL ME G.
AZRAEL
2017 RZR 1000 2 SEATER
2023 RZR 1000 XP 4
2008 LTZ DURAMAX 3500
2023 300S 5.7
2023 BUICK ENCORE[/B]
The difference between winning and losing, is having a 2nd stage.
check out this link i had to do it on my swap worked great.Fixed Tach... YES!!! - LS1TECH
1998 chevy 1500 with 6.0/4l80e comp cam, tune, exhaust,
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