Strange Power Seat and Mirrors Issue.

Comanch3

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Hi all, I have the typical issue that my power driver seat and mirrors don't work... Except, they don't work only when the engine is running. The seat and mirrors function fine if the car is off, or even in auxiliary. Any thoughts? I'm thinking either that there is a corroding wire or splice somewhere (the common culprit) that hasn't quite failed yet, and the extra voltage from the alternator running pushes it over the edge to short out? I also suspect that maybe I need new battery cables... I know a weak connection to the battery can cause all kinds of wonky issues, and replacing mine is on the to do list.

- 2008 EL Eddie Bauer edition.
No Heated mirror function (that I'm aware of, unless it comes on with rear defrost)
No power-fold function.
 
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99WhiteC5Coupe

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Hi all, I have the typical issue that my power driver seat and mirrors don't work... Except, they don't work only when the engine is running. The seat and mirrors function fine if the car is off, or even in auxiliary. Any thoughts? I'm thinking either that there is a corroding wire or splice somewhere (the common culprit) that hasn't quite failed yet, and the extra voltage from the alternator running pushes it over the edge to short out? I also suspect that maybe I need new battery cables... I know a weak connection to the battery can cause all kinds of wonky issues, and replacing mine is on the to do list.


You may want to post the year, make, model and trim line of your vehicle.

What portion of the power mirrors do not work? The power glass movement, the power heat function, or the power-fold function?
 
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C

Comanch3

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You may want to post the year, make, model and trim line of your vehicle.

What portion of the power mirrors do not work? The power glass movement, the power heat function, or the power-fold function?
My mistake. I edited the original post.
 

LUKE_LCL

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My mistake. I edited the original post.
Hi all, I have the typical issue that my power driver seat and mirrors don't work... Except, they don't work only when the engine is running. The seat and mirrors function fine if the car is off, or even in auxiliary. Any thoughts? I'm thinking either that there is a corroding wire or splice somewhere (the common culprit) that hasn't quite failed yet, and the extra voltage from the alternator running pushes it over the edge to short out? I also suspect that maybe I need new battery cables... I know a weak connection to the battery can cause all kinds of wonky issues, and replacing mine is on the to do list.

- 2008 EL Eddie Bauer edition.
No Heated mirror function (that I'm aware of, unless it comes on with rear defrost)
No power-fold function.
Good afternoon sir, I am wondering if you have fixed your issue? I have a 2011 XLT EL same issue.
 
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