I need you guys help. I bought a 1998 s10 with a bad 4.3 but it came with a 5.3 btr cam and a new psi standalone harness. I'm going to install the 5.3 in the s10 but I think the harness is not the correct one Because I want all the factory gauges to work so a standalone harness is not going to work with the bcm I don't think. I have the junkyard5.3 harness that came with the motor I'm not sure what it came out of I also have the 4.3 s10 harness, I have never done any harness work so my question is what do I need to do to make this work use the psi harness or the junkyard harness, is there someone I can send it to for the work or is it something I can do.Thanks again for any help or advice.
Thanks,Shannon
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| Ls swap harness | |
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Bushwacker
Joined: 04 Jul 2012 Posts: 105 
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  Ls swap harness |
| Sun Sep 08, 2019 5:00 pm |   |
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Speeder
Joined: 30 Apr 1999 Posts: 10760 Location: 2015 Tahoe 2WD 5.3L 6L80E, 2008 Colorado work beater, 2003 Dodge Dakota pro-touring project
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Might try these folks. I've never used them nor know anyone who has, or anything about them.
https://www.currentperformance.com/s10-v8-ls-lt-custom-wiring/ |
| Sun Sep 08, 2019 9:54 pm |  |
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97k15004wd
Joined: 27 Oct 2006 Posts: 1155 Location: Waikikamukau
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If you have a copy of the wiring diagrams (WD) that would help. PM lextech and see if can help. He is the wizard of all things electric on the 411 swap and he might have the WD for your application.
Also, S10 Mods might be able to help. |
| Mon Sep 09, 2019 3:01 am | |
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