Ford relay control module # f48f-12b577-aa - Ford Mustang Forums
 
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post #1 of 2 (permalink) Old 06-09-2010 Thread Starter
Lew
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Ford relay control module # f48f-12b577-aa

Hello,

On my 95 Mustang GT 5.0 all stock,
Parked it in the garage Friday afternoon, never started or moved, on Sunday afternoon noticed smoke in the garage. Opened hood found replay control module # F48F-12B577-AA and harness plug burnt to a crisp. What would have caused that?

Thanks,
Lew
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post #2 of 2 (permalink) Old 06-09-2010
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A short?

It controls fuel pump, fan, and A/C. I would carefully inspect the wires that connect into those three components and go from there. It is also possible that the burned up harness itself shorted out, in which case you probably will not be able to tell given the crispy-fried nature of the wiring.

In my experience (limited to a Ford Ranger that torched itself in my driveway), burned up wires happen when something grounds out to metal where it should not. So, you may be able to see where the wire grounded even if the wire itself is too burned to give you any useful information. Look for blue metal under the hood by where wires run.

Matt

2006 GT - Vortech polished w/ intercooler, Eibach suspension, Hurst short-throw, some other goodies - tuned by Paul's High Performance. It moves...

and it collects dust admirably while parked for repairs in the garage...

SOLD - 1995 Black Mustang GT, AODE. Loved it, but I had to let it go...

mjmalegalsolutions.com
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