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organgrinder · 07-05-2013, 04:02 PM

I've got an 03 5.3 and putting a 4L80E behind it. The harness I have came out of the 03 suburban I got the motor from that had a 4L60E. Is that gonna work or will I need to rewire something for the trans?
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07-05-2013, 04:02 PM	#39
organgrinder Registered User Join Date: Jan 2012 Location: arkansas Posts: 1	Re: How To Video, LSx Wiring Swap Harness, 99-02 Truck Harness: 4 Wire Hookup I've got an 03 5.3 and putting a 4L80E behind it. The harness I have came out of the 03 suburban I got the motor from that had a 4L60E. Is that gonna work or will I need to rewire something for the trans? Posted via Mobile Device