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i have an 01 monte with a 3400 heads are bad i am swaping a 3400 out of a 03 impala my monte has traction control impala does not on my monte there is an extra hook up for my t/c that goes to the brake booster do i need to put my old harness in or can i use the other one and have no problems?
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leave your engine harness in the car. just swap over the motor.
you don't need to do any re-wring use all your old stuff.sigpic
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thats what i was thinking its a esay wireing swap well i got an extra trany and my old motor if anyone needs partsComment
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swapping an engine does not requiring swapping harness. unplug all your sensors and whatnot, remove old engine, install new engine, plug sensors back into old harness... and you are set94 Grand Prix
3400- NX 75 shot, Cammotion cam, S&S headers, and a few more toysComment
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i got it done it was easier to pull the harness with the motor then swap the harnessComment
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confused. it wasnt easier to use the harness that was on the car? using the harness off another car would def be harder94 Grand Prix
3400- NX 75 shot, Cammotion cam, S&S headers, and a few more toysComment
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Originally posted by JMo60 View Post
I think he is saying they pulled the old motor and harness out. While out of the vehicle they swapd the old harness to the new motor and dropd the new motor and old harness back into the car and walla.
Thats how i would do it atleast. it is much easier to unhook everything from the engine while its out of the car.
SShane "RedZMonte"
2004 Corvette Z06 Commemorative Edition -VIRGIN
1995 Monte Carlo Z34 14.38@101mph, 331hp/355tq
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1990 Turbo Grand Prix (SOLD)Comment
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depends on your car, its uber easy for me to unplug everything from the engine and really thats the only way I go, I would hate to pull out a rats nest of wiring if not necessary, I also remove most of the accessories before I pull a motor.
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well i got lots of room i dont gotta pull the acessories i wanted to swap a l67 in but expensive to getComment
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