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Old 09-02-2012, 12:28 AM   #1
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90 lx with 88 gt dropout, which harness?

i have a 1990 lx 5.0 (frozen and missing trans)

I bought a complete 1988 gt drop out with engine, ecu,maf harness and ecu jumper convertor, headlights harness's

should I change the 90 harness out with the gt harness's, or should I just change the engine harness on the 88 motor with the 90 lx engine harness?

I am thinking just change the engine harness on the 88 to the 90 harness since both use the maf. Correct me if I am wrong?!?!?!?!?!?!
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Old 09-02-2012, 02:53 AM   #2
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Unless your 88 is a California car it shouldn't be mass air. I wouldn't change the harness myself. Just put the motor in and plug into the OE harness in the car.
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Old 09-02-2012, 04:00 AM   #3
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The drop out came with the plug in to use a newer ecm and changes the SD to MAF
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Old 09-02-2012, 08:24 AM   #4
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I would try the 88 harness first,if there were any issues with the harness than you could easily swap them out
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Old 09-02-2012, 09:45 AM   #5
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i would keep whatever the car came with, just swap the motor in and keep the original wiring for the car... your asking for trouble if you dont.
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Old 09-03-2012, 10:22 AM   #6
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yep run the harness thats already in the car. theres a bunch of reasons
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Old 09-03-2012, 11:54 AM   #7
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Quote:
Originally Posted by slow87GT View Post
yep run the harness thats already in the car. theres a bunch of reasons
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Old 09-03-2012, 12:03 PM   #8
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just a side note, you can seperate and sell the MAF conversion to someone who needs it, and the density harness would be perfect for someone who wants to convert a carb'd car to megasquirt! and your keeping your cars wiring intact, instead of bastardizing it.
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Old 09-08-2012, 04:30 PM   #9
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Thank you for the replys, I figured I would just swap the 90 harness onto the 88 motor and sell the other harness and the maf conversion.
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