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How do you access the retractable antenna motor on an '88 Deville?


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Answered 2015-07-15 21:04:42

About 18 months ago, I tried to figure out a way to disable the antenna on our '88 DeVille. Since I could not determine the correct wires inside the car, and was not able to pull radio out of the dash, I went up under the right wheel well and took off the protective shield/cover (pulled screws and clips). After pulling that back (part-way; did not take loosen all the screws/fasteners) I could see the motor but it was extremely hard to get to crawling on my back with the car on the ground. I think there was a connector going to the motor but I could not manuever to a position where I could get my hands on it and break the connection. The antenna motor would not shut off when going down and if left that way, runs the battery down. My solution was to cut one of the wires. (had to guess which one) The one I cut keeps the antenna from going down but it would still go up. I manually pulled the antenna up and somehow the antenna went all the way up and jammed and now the motor runs continuously when the key is on -- at least now battery does not run down. Back to main subject; it is not easy to get to the motor (with car on the ground) and my guess is that it is a major job to remove and replace it. ----Michigan DeVille owner

I went thru this experience recently on a '87 Brougham, but I believe the process applies to the DeVille. The best way I could find to really access the antenna motor for replacement was to remove the fender! Pulling out the inner fender does not get you the access needed to replace the antenna unit!

To disable the unit, find where the motor wires (3 wires on mine) come thru the inner fender into the engine compartment. Mine come thru with the shielded antenna cable from the radio. Your question indicates that you accessed the motor thru lower fender liner in the wheel well; getting a hand on the wires from the motor to wiggle them will help identify them in the engine compartment. After locating the wires, follow them to a connector (mine is in the vicinity of the AC drier) and pull it apart. This will disconnect the motor completely and prevent the battery from draining down. Connected, it will kill the battery in 2 days even with the ignition off.

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