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98 chevy 4.3 wiring


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gatliff
User

Jul 2, 2005, 8:52 PM

Post #1 of 4 (2172 views)
post icon 98 chevy 4.3 wiring Sign In

Hi I have a 93 chevy 1500 truck I going to be replace the 4.3 motor with a 98 4.3 vortec what do I need to do with the wiring ? do I just replace 93 wiring with 98 wiring from the firewall on out or will all the wiring from the computer on out need to be replace?


motorheadII
User

Jul 3, 2005, 2:08 AM

Post #2 of 4 (2166 views)
Re: 98 chevy 4.3 wiring Sign In

This is the kind of thing that gives mechanics nightmares. I wouldn't touch your truck with a ten-foot pole. Your 98 engine requires a different ECM and wiring harness than your 93 truck. I shudder to think of the head-banging frustration of trying to cobble the two together. Far better to just trade up to the truck you want.


gatliff
User

Jul 3, 2005, 6:22 AM

Post #3 of 4 (2165 views)
Re: 98 chevy 4.3 wiring Sign In

Thank you I can get a 98 wiring harness with the computer if I need all this


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jul 3, 2005, 7:53 AM

Post #4 of 4 (2163 views)
Re: 98 chevy 4.3 wiring Sign In

Just my thoughts on this: You are opening "Pandora's Box" and will probably have endless headaches from this. Think hard about the task. Wish you luck, ---- No hard feelings, let us know what you do and how you made out, best,







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