Quote:
Originally Posted by Trevor @ Tx Speed
The GMPP harness and ECM aren't junk by any means, but the harness will require quite a bit of work to make it look good. GM builds the harness with a LOT of extra length on all of the sensors, so you'll spend days trimming it to look right. Both PSI and Speartech could set you up if you want to go with a custom harness. A custom harness would be something to consider if you're looking to run an electronically-controlled automatic trans. The GMPP kit isn't setup to control a transmission, so you'd have to buy an expensive stand-alone controller for it. That's where a custom harness and ECM can save you some money.
Trevor
Texas Speed & Performance
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The OP has a 5 speed Tremec. No reason to spend a dime on a custom harness.
The long GMPP sensor wires can easily be shortened by pulling of the split wrap folding the wires to desired length and wrapping with nylon braid. You can do them all in an hour most.
Then it's just a matter of strategically placing the ECM and fuse box and tucking the excess cable into the pass side inner fender.
Can all be done in a day including beer breaks.