daniel Posted on Mar 01, 2015

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I got a 1991 s10 singel cab 2wd some one cut all the plugens off all the wires it had a 4cylender and im trying to put a 350 in i an i need to know what does each wire go to

I need to know what does each wire go to from the firewall i whant to get it running it had a 4cylender and im trying to put a 350 in it and have know clue where all thes wires go

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Stuart D Hardee

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Posted on Mar 04, 2015

Stuart D Hardee

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If you are changing the engine the purpose of all those wires is a moot point. Most of them are for sensors and actuators that may or may not exist on the V8 and the 4 cylinder ECM will not run the V8. You need to find a wiring diagram, a multimeter and a jumper wire to make sure what wire is connected to what in the dash or you will be replacing all the wiring in the dash along with the printed circuit on the back of the instrument cluster.

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Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

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I got a 1991 s10 singel cab 2wd some one cut all the plugens off all the wires it had a 4cylender and im trying to put a 350 in i an i need to know what does each wire go to

1 Answer

Stuart D Hardee

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I got a 1991 s10 singel cab 2wd some one cut all the plugens off all the wires it had a 4cylender and im trying to put a 350 in i an i need to know what does each wire go to

1 Answer

Stuart D Hardee

Add Your Answer

Attachments: Added items

Related Questions:

I need 1995 S10 ls brake light relay wiring.

I need vaccum line digram for 1991 s10 2.5 2wd 5 speed reg cab short box. Three lines come off throttle body. Where do they go?

Need to know where my power wires are on my 1991 s10 singel cab 2wd had a 4cylender changeing to a 350

I Have a 1991 S10 Blazer, what would be the biggest engine i can put in it with out making a ton of modifying, my friend says a 350, but i wanna put a 400, (it is a 4X4)

91 nissan king cab, 2wd auto, i have a wiring issue as i try to start it but the starter stays on, even with the key out of the ignition! what is the cause and how do i fix it, or should i just junk it?

I need diagram for firing order on a 91 s10 blazer 4.3 2wd

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I have a 1986 S10 extended cab, that has had the whole front end wrecked, I found a 1991 S10 that the guy only wants $500 dollars for, and I would like to use it for parts to fix my current 1986 S10, I...

Were can i get pictures of vacuum diagram for a 99 f150 5.4 that doesnt cost cause im a singel dad with three kids and im broke

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