Help with Powering ECU 03' 5.3 vortec
#1
Help with Powering ECU 03' 5.3 vortec
I have swapped the 5.3 into my truck with a 4l60e trans. I have the engine wiring harness plugged into the motor and ready to go. I have the ECU hooked up as well.
My biggest question is how do i go about powering the ECM thru the Under hood fusebox that came with the engine. The car cranks and i get fuel but the computer is not turning on and i have no power to the fuses though i have the fuse box grounded and Batt power. If there is a write up somewhere that would be great. I have searched for a good while this week, but all i seem to find people talking about the swap but not actually what they do to power the ecu. I know i can get a pre-fabbed wiring harness but i would rather use the factory harness i already have.
thank kevin
My biggest question is how do i go about powering the ECM thru the Under hood fusebox that came with the engine. The car cranks and i get fuel but the computer is not turning on and i have no power to the fuses though i have the fuse box grounded and Batt power. If there is a write up somewhere that would be great. I have searched for a good while this week, but all i seem to find people talking about the swap but not actually what they do to power the ecu. I know i can get a pre-fabbed wiring harness but i would rather use the factory harness i already have.
thank kevin
#5
Everything you need to know here.
http://www.lt1swap.com/wiringharness.htm
http://www.lt1swap.com/wiringharness.htm
thanks man i guess my computer skills really suck....
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#8
kev