Pcm connector plug question - JeepForum.com
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post #1 of 3 Old 09-16-2021, 04:11 PM Thread Starter
Jstinejr
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Pcm connector plug question

Guys I need your help.. I finally traced down my WJ's stalling issue to PCM thanks to hours and hours of research on this forum. I was able to do it without having to replace any sensors and wasting money. Thanks to a multimeter and some establish sweat equity. I have new pcm ready to install. I made a rookie move and removed it without being careful by not remembering which color connector goes into which port. I can not find the specific color match for 1,2,3 .. Please help me. Before posting this I've searched through many threads regarding PCM, yet nothing as simple as color coding on connectors.(again rookie move) I have found a few photos but mine are white gray and black and photos I've seen have white black and black. I dont want to do anything incorrectly. It's a 1999 powertech 4.7 not sure if it makes a difference. Thanks in advance!

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post #2 of 3 Old 09-16-2021, 05:13 PM
Chris Radley
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If I’m not mistaken each connector is keyed a different way so that you can’t connect and secure if it’s the wrong connector. But, it’s been a looong time since I’ve had to mess with the ECU connections.
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post #3 of 3 Old 09-17-2021, 04:29 AM
Waterluvr
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Gray on the left, white center, black connector on the right.
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