5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

wiring harness through firewall?

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Old 12-25-2007, 06:02 PM
  #1  
fattony
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Default wiring harness through firewall?

hey guys, I'm having one hell of a time trying to get the harness from the computer out through the engine side of the firewall. ive got the ecu unplugged and out of the way, two connectors coming out of the harness and the ground offbut i just cant get it to move. what am i missing here?
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Old 12-25-2007, 06:15 PM
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r.barn
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Default RE: wiring harness through firewall?

I got so frusrtated trying to get my 4cyl harness out
I said F' it and busted out the dremmel with cut-off wheel and
chopped the harness in 2 right after the firewall grommet........
Came out real easy in 2 pieces ......... lol

It's the damn heater/blower box thats in the way from turning
everything enough to get it thru the hole.
If the dash is out you can remove the heater/blower box real easy
and harness will come right out.

or cut it

or just keep at it
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Old 12-25-2007, 06:53 PM
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fattony
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Default RE: wiring harness through firewall?

sweet! i finally got it without cutting! thanks for the help
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