Question about 1995 Mercury Mystique

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Eec fuse keeps blowing on mercury mystique

When ever i hit the gas pedal hard my eec modual fuse blows but if i drive it soft it is fine any ideas of what this could be?

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When you go to wide open throttle, the only thing that happens is your a/c cut out is activated by the throttle position sensor. I owuld check there, but it is very rare that the TPS would cause a fuse to blow.
You may have an engine wire harness that has the wiing insulation decomposing causing wires to short against each other. Peel open the plastic convolute and look for cracks in the insulation. Here is info on a Ford program to repair if less than 100,000 miles on your car.

October, 1999
To:
All Ford and Lincoln-Mercury Dealers
Subject:
Owner Notification Program 99M03 - Certain 1995-1997 Contour and Mystique vehicles - Under Hood Wire Harness - Additional Coverage.
PROGRAM TERMS:
This program provides extended coverage on certain under hood wire harnesses through 10 years or 100,000 miles which ever occurs first, from the original warranty start date. AFFECTED VEHICLES
Certain 1995 - 1997 Contour and Mystique vehicles built from Job #1 1995 through Model Year End 1997. REASON FOR RECALL
Under ambient factors of high temperature and high humidity, certain 1995 - 1997 Contour and Mystique vehicles may be susceptible to the wiring insulation becoming brittle and cracking on certain engine compartment wiring harnesses. These harnesses deliver electrical power to the engine and its cooling and control systems, the climate control, and other power distribution systems. If wire harness insulation cracking is found during the additional warranty period, the under hood wire harnesses are to be replaced at no charge to the customer. SERVICE ACTION
Additional Warranty Coverage
Effective immediately, Ford is providing additional coverage for the replacement of the under hood wire harnesses on these vehicles for a period of 10 years or 100,000 miles, which ever occurs first, from the original warranty start date. This coverage exceeds the provisions of the original component warranty coverage on the affected vehicles and is automatically transferred to subsequent owners at no charge. This additional coverage does not include normal service diagnostic or repair charges unrelated to wire harness brittleness and cracking. After this additional coverage has expired, wire harness replacements will be at the expense of the vehicle owner.

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Posted on Jan 12, 2009

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james klgr
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SOURCE: what would cause the eec module fuse to blow in a

mine had a short in the wire had to replace resister in wiring to coil pack

Posted on Nov 04, 2009

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