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  '64 1/2 to '73 -- The Classic Mustang
  engine wiring harness, gauges section removal?

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Author Topic:   engine wiring harness, gauges section removal?
MDF99
Gearhead

Posts: 143
From: Hamilton, Ohio, USA
Registered: May 2001

posted 04-23-2002 02:41 AM     Click Here to See the Profile for MDF99   Click Here to Email MDF99     Edit/Delete Message   Reply w/Quote
Would it mess up anything if I cut the stock engine gauges section of harness off (oil pressure, water temp, charge)? I have aftermarket gauges, ignition and fresh wire running from a homemade switch box. This part of the stock wiring harness is just old, ugly and in the way. The section I'd like to eliminate runs out of the harness that plugs into the center of firewall (66 Mustang). Anyone have knowledge of this circuit? Thanks.

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SteveLaRiviere
Administrator

Posts: 30097
From: Saco, Maine
Registered: May 99

posted 04-23-2002 08:55 AM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Can't you just unplug it?

------------------

'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

MCA Member # 47773

The secret of success is sincerity. Once you can fake that, you got it made.

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MDF99
Gearhead

Posts: 143
From: Hamilton, Ohio, USA
Registered: May 2001

posted 04-23-2002 09:43 AM     Click Here to See the Profile for MDF99   Click Here to Email MDF99     Edit/Delete Message   Reply w/Quote
There could be a little plug under there. I'll unwrap it and take a look.

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mvierow
Gearhead

Posts: 152
From: Bay Area, Ca
Registered: Apr 2001

posted 04-24-2002 01:19 AM     Click Here to See the Profile for mvierow   Click Here to Email mvierow     Edit/Delete Message   Reply w/Quote
It has your coil power, heater fan, and starter solinoid too. If you want to know what color goes where let me know. You may want to save it though, and use it to run your water temp and oil pres gauges. If you have stock gauges already just disconnect the stock gauge and use the same connector to hook it up to your new gauge. If you have warning lights you can either cut the center wire that connects to the light plug, or solder a wire to the end which is nice if you ever want to undo what you've done. red w/ white strip is water, white w/ red strip is oil

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MDF99
Gearhead

Posts: 143
From: Hamilton, Ohio, USA
Registered: May 2001

posted 04-24-2002 12:02 PM     Click Here to See the Profile for MDF99   Click Here to Email MDF99     Edit/Delete Message   Reply w/Quote
I checked and there's no plug for the gauges branch. It's the 3 foot length of wires that branches off the main harness, over the intake manifold about 1 foot from the main firewall plug. I'm gonna go ahead and get rid of it.

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SteveLaRiviere
Administrator

Posts: 30097
From: Saco, Maine
Registered: May 99

posted 04-24-2002 06:07 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Really? That's odd, but I don't work on the early Mustangs.

You might want to leave usable stubs in case you change your mind and want to have them some time in the future. I'd save the cut-offs, too, even if only to have them to compare to at a future date.

------------------

'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

MCA Member # 47773

The secret of success is sincerity. Once you can fake that, you got it made.

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