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1994 Chevy S-10 Wire Harness

Tiny
RROSS1317
  • MEMBER
  • 1994 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 136,000 MILES
My son had a stereo installed at a major electronics store. To make a long story short, the installer cut some wires in the main harness behind the radio, causing the 4wd switch to not function, now it will not start. The wire harness is not available any longer. I need to find out how to disassemble the dash in order to repair the wiring. Please help.
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Thursday, March 12th, 2009 AT 2:16 AM

7 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
I cant seem to find any instructions on how to remove the front bezel of the dash. If I remmeber correctly there are screws on the face of it, and on the underside below the heater controls. Might be a few above the gauge cluster as well. This should free up the bezel for removal. From there just remove what you have to for access. Take a digital pic as you go if there are worrines about reassembly
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Friday, March 13th, 2009 AT 8:01 AM
Tiny
RROSS1317
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  • 4 POSTS
Thanks for the reply. I did manage to get the dash removed. The stereo installer cut 8 wires and nicked 5 others. All have been repaired by splicing, soldered, and shrink wrapped. However, the truck will crank over but still not start. Just a coincidence? Can't hear the fuel pump when the ignition is turned on. Any other ideas?
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Friday, March 13th, 2009 AT 9:35 AM
Tiny
2CARPRO JACK
  • MECHANIC
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When did it not start? Was it driven home from the stereo shop? Look on the firewall for fuses, there may be one for the fuel pump
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Friday, March 13th, 2009 AT 11:05 AM
Tiny
RROSS1317
  • MEMBER
  • 4 POSTS
The stereo was installed last fall, but the truck was in storage until a couple of weeks ago. The truck has been working fine until the recent snowstorm revealed the 4wd didn't work. The starting issue just happened a couple of days ago. The fuses that I can find are good and the fuel pump relay was swapped with a known working unit and still a "cranks but no start" condition.
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Friday, March 13th, 2009 AT 6:14 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Start basic

https://www.2carpros.com/dia/test_fuel_pressure.htm

https://www.2carpros.com/how_to/how_to_test_an_ignition_system.htm
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Monday, March 16th, 2009 AT 8:07 AM
Tiny
RROSS1317
  • MEMBER
  • 4 POSTS
Where is the fuel pump test connector (gray wire) and what does it look like?
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Tuesday, March 17th, 2009 AT 11:37 PM
Tiny
2CARPRO JACK
  • MECHANIC
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It is on the wiring harness near the center of the firewall. Itis just a wire with a plastic connector on the end
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Tuesday, March 17th, 2009 AT 11:59 PM

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