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Tech & Fab
Wiring diagram review
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<blockquote data-quote="BUG-E J" data-source="post: 700732" data-attributes="member: 1921"><p>I have 1 question and 1 suggestion. Does your pcm ground the load or supply voltage?</p><p></p><p>You need to draw out 2 diagrams if im reading this correct. You need one dedicated harness or diagram for things the pcm doesnt do then one seperate for the pcm. I highly reccomend sending your harness off and having it built stand alone so you only have to give it power ground and accesory. Jims performance will wire in a fuel pump relay and fuses for every load you have the pcm turn on. Then you just wire in a few switches for lights and whatever and one complete seperate circuit for what makes it go.</p></blockquote><p></p>
[QUOTE="BUG-E J, post: 700732, member: 1921"] I have 1 question and 1 suggestion. Does your pcm ground the load or supply voltage? You need to draw out 2 diagrams if im reading this correct. You need one dedicated harness or diagram for things the pcm doesnt do then one seperate for the pcm. I highly reccomend sending your harness off and having it built stand alone so you only have to give it power ground and accesory. Jims performance will wire in a fuel pump relay and fuses for every load you have the pcm turn on. Then you just wire in a few switches for lights and whatever and one complete seperate circuit for what makes it go. [/QUOTE]
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