Question about 2000 Cadillac Eldorado

2 Answers

Windows I checked the one fuse under the hood its ok.I replaced the master power switch,still not working. Can you help?

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  • moneyplays Apr 24, 2014

    Tom, I thank you for your info,however why will the Radio/Phone fuse cause this problem for the windows? I'm confused.However my Mech will try this.Thanks once more my friend.

  • moneyplays Apr 29, 2014

    Power to the master switch wire on the neg side is bad.Need to trace that wire by 4/8/2014. will give update. thank you all

  • moneyplays Apr 29, 2014

    Sorry I mean the 29th of april



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The power windows are protected by the 30A WINDOW CIRCUIT BREAKER in the left underhood fuse block. That may have been the "fuse" you checked. Circuit breaker output is applied to the accessory time delay relay. You also should check the 10A RADIO/PHONE fuse in the rear compartment fuse block as this supplies power to the coil of the accessory time delay relay. Relay operation is controlled by the body control module. Any of the parts mentioned could be responsible for the lack of window function.

Posted on Apr 23, 2014

Testimonial: "Tom thank you for your help. Will keep you posted on the out come. It's really crazy in fixing this problem."


You need a wiring diagram to
learn the circuit your working on,
& find places to do your testing

Posted on Apr 23, 2014

Testimonial: "Teddy B thank you for your help. It's being done now. Hope to know more in a short time from today. See my post on this problem."


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a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
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SOURCE: 2003 Seville STS low beam headlights don't work

ya its is prolly the bulbs, open your hood. look behind your headlamps, some have covers for the low beam and high beam. if there are covers turn on your high beams so you will know which bulb is your lowbeam. if you can unplug them. after cover is removed and you can acces the bulbs. they either twist out, lefty lossey. or they have little metal retainers that you have to move a certian way before you can swing the retainer out. its like a door you just have to unhook the proper side of retainer and the other side will be hinged. use a flash light and look at it close. good luck

Posted on Jan 29, 2009

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SOURCE: all windows on 98 deville are unoperational fuse's

have body control module checked

Posted on May 19, 2009

  • 4803 Answers

SOURCE: parking lights work but headlights don't

Hi Clark,

The headlamp system in your Eldorado is controlled by the Body Control Module (BCM). Besides the light switch on the dash (which only provides grounds for certain BCM circuits) There are 10 different fuses, 5 relays, an ambient light sensor, a headlamp dimmer switch, the BCM and the Instrument Panel Cluster (IPC) involved in your headlamp circuits.

You asked about an easy way to check the switch...

The easiest way is to connect a scan tool and verify headlamp switch input at the BCM as you operate the switch and watch the BCM data.

I recommend that you begin this diagnosis by scanning your computer network for fault codes that may lead you to the cause of the problem. Please note that MOST generic OBD scanners (code readers) cannot access the BCM or IPC data.

Posted on Oct 30, 2011

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SOURCE: power seat on 96 Cadillac deville wont work after replacing stereo. Any Ideas?

it is not a fuse, it is a circuit breaker in the fuse box, which i believe is under the hood on that car, i would check for bare or shorted wires behind the stereo before doing anything with the power seat.

Posted on Sep 03, 2012

  • 6 Answers

SOURCE: Windsheild wipers just quit working

check your fuses that are in your paneling under your steering wheel and double check ur power and grond wires

Posted on Dec 17, 2012

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See if you can pull out the master switch and its electrical connector, without having to take off the inner door panel. Or if you have to, take off the inner panel, then pull off the connector to the master switch . Now all you need is a voltmeter or test light to check for the power and ground at the connector, with the key in on position. If both are good, the master switch may be defective.

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