Question about 2003 Cadillac CTS

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My cts radio is all static after 5 or 10 minutes. I had work done on the car - radiator and other work and battery was disconnected. I just had a new battery installed but no help. the car is an '02. this all started after I had the work done. the mechanic is stumped.

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Check the antenna wire. Your mechanic has disturbed it when they worked on your car.

Posted on Jul 24, 2009

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Posted on Jan 02, 2017

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I accidentally pulled on the plug to the ECM on 04 Cadillac CTS while trying to jump start a buddy now the gas gauge reads empty was working fine till then, can I reset it?


Unless the ECM has been damaged, it should do a complete reset when power is removed and reconnected. Disconnect the negative lead on the battery, carefully check all the plugs on the ECM, wait a few minutes and then reattach the battery cable.

Jan 05, 2017 | 2004 Cadillac CTS Sedan

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Radiator drain plug ford expedition 1999


Safety: goggles, gloves, long sleeves (to avoid burns), engine cooled, battery disconnected, leave key out of ignition, block wheels so the truck does not move.

Needs: 50/50 radiator/coolant ford specific -two large bottles, a adjustable wrench, bucket that fits under your truck and can hold eight quarts.

first disconnect the negative wire to the battery, then the possitive. Negative is the one nearest to the passanger dashboard. Wait two minutes before doing any work on the 1999 ford expedition. This time frame allows the electronic module supply to be depleted. In other words disarming the airbag. This is a safety precaution and should be done every time you work on your vehicle.

The drain plug for the ford 1999 expedition is located under vehicle. Lay down, facing up, under the passenger side inner wheel. Move the black wheel cover to the side (the part that's located at about two o'clock) look for a white screw. It looks like white plastic piece. It's about 2-3 inches long.

Get your pan ready for about six quarts of radiator fluid to drain from it. I would suggest you get a hose of some sort to place over the screw for drainage direction, otherwise it will hit the frame and spray. Once you have everything in place, start slowly unscrewing it. This way you can control the flow. Besure to have two large bottles of 50/50 radiator/coolant on hand. You will be refilling it with new fluid. Never re-use the old. I say 50/50 because with this yrs 1999 tend to rust quick. If you use water besure it's distilled.

Once it is completely drained. Flush the system using one of the 50/50 bottles. Do not use water. Water corrodes in the 1999's. When you flush it,let it drain all out. Screw plug back in, and begin filling your radiator. Reconnect the battery. You should pour in half the reserve bottle, run engine so that it gets into the radiator -with cap on- for a few minutes ****besure to turn your radio on and the heat on max. For some reason the radio is part of this. Now you can fill up to the max line on the reserve bottle. You are done. Take your truck for a ride to reprogram the trucks driving memory. You will have to set your clock and radio stations too.

Once you come back from your ride, recheck the fluids and check for leaks.

on May 24, 2010 | Ford Expedition Cars & Trucks

1 Answer

CTS radio won't turn off


Disconnect Battery cable for 10 minutes or so and reconnect and You will probably have your problem fixed !

Apr 09, 2013 | 2009 Cadillac CTS-V

2 Answers

2004 cadillac cts gas gauge stuck reading zero


The reason the guage is staying at empty is because it has set a code for a fuel level sensor. This car has 2 so it could be either one, or a wiring issue (unlikely). When you disconnect the battery, you likely either clear the code or reset it as not current so it allows the gauge to work for a short time until the code sets again. Have it scanned and I am sure you will find a code likely P2066 or P2068 for the level sensors.

Jun 28, 2012 | 2004 Cadillac CTS

1 Answer

The factory radio, in my Cadillac CTS 2003, comes on, but only has static. No radio channels will play. Any suggestions?


The antenna plugs in to the back of th radio. it could have came loose and fallen out. When you pull the radio and if the anteena is secure in it, then you have lost the receiver in the radio, very rare, Replace the radio at this ppoint.

Jun 10, 2011 | 2003 Cadillac CTS

2 Answers

The AM/FM radio in my 2003 cadillac CTS faded to only static


check antenna cable connections at radio & antenna.suspect power antenna if equipped.

Sep 30, 2009 | 2003 Cadillac CTS

1 Answer

The AM/FM radio in my 2003 CTS faded to just


This sounds to me like the antenna wire may have become loose in the back of the radio. It just took a few weeks for it to become free. :) If you can maneuver your arm behind it, you should be able to push the connector back into the hole in the back of the radio. But the safest and most practical way to do it is to remove the radio from the dash and plug it in that way. :)

I hope this helps! Let me know if I can be of further assistance. :)

Sep 30, 2009 | 2004 Nissan XTerra

1 Answer

The radio in my 2003 Cadillac CTS goes to static after after minu


Something to do with the reception or antena system..
Or the tuner in the radio is failing..

Rate well ;o)

Jul 22, 2009 | 2003 Cadillac CTS

2 Answers

Radio effected by brakes?


If this happens when the car is still you have voltage interference between brake light voltage & antenna. If this happens from motion check all wire connections, loose antenna wire, to antenna.

Oct 21, 2008 | 2004 Cadillac CTS

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