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Old 03-30-2019, 09:21 AM   #10
78F350
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Join Date: Jul 2014
Location: Oklahoma
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Quote:
Originally Posted by Adrian Thompson View Post
... So, where is the harness routed between the micro switch and the Tip module? Is there another connections in there, are there other things to check?
I can get a look at the diagram tonight and post anything useful. From the shifter, it should go forward to the dash, then across to the left side. It will be part of the big bundle near the base of the door that feeds along the left side to the trunk. There will be a connector in the trunk, then on to the TCU.

I'd suggest starting at the shifter. Does one wire at the switch connect to ground? With the switch 'on' do both sides ground? Is the harness plugged in to the shifter? I don't think it is in this pic:
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