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LS wiring?

Tiny
BUBBASMEAT
  • MEMBER
  • 1972 GMC C3500
  • 6.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 141,000 MILES
I have a 6.0 Ls and a 4l80e that are both still stock. I will be putting them in a 1972 GMC 3500. I do not have the stock wiring harness, fuse block, or ECU. Can I use a standalone wiring harness and the Terminator X Max to wire the stock Ls and stock 4l80e for now, and then in the very near future use the same standalone harness and Terminator X Max for the same combo, but rebuilt to 500hp to the flywheel?
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Thursday, August 24th, 2023 AT 2:58 PM

3 Replies

Tiny
RYAN L
  • ADMIN
  • 261 POSTS
Yes, you can! As long as you keep the same tooth count reluctor wheel for the crankshaft. All the sensors used are the same, some might just be in different locations so keep your wires long to accommodate.

Thanks for using 2CarPros!

Best,
Ryan
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Friday, August 25th, 2023 AT 12:05 PM
Tiny
BUBBASMEAT
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  • 6 POSTS
Thank you so much. This site is absolutely awesome. I love your videos and the fact that I can ask a question, and get a timely response.
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Friday, August 25th, 2023 AT 1:24 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
RYAN L is one of our best! Use 2CarPros anytime, we are here to help. Please tell a friend.
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Monday, August 28th, 2023 AT 10:09 AM

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