ENABLE DRL ON A 2001 CADILLAC

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Power seat operation erratic : Cadillac Eldorado Common ...

repairpal.com > Problems > Cadillac > Eldorado
Cadillac Eldorado Power seat operation erratic. This is a verified problem based on 26 reports. Learn more about this problem, when it occurs and how to fix it. ... 13 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 ... Come back and drivers seat will not move.

Not sure if this will help but this is on a 2001 Eldo which should be close to what you have. I would also suggest the library and check out a Chilton's repair manual for you car.
Heater Core Replacement 2001 Eldorado Archive Cadillac forums Cadillac...

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On this website you find fuse box diagram and description for Cadillac Eldorado (2001) https://www.carknowledge.info/cadillac-eldorado-2001-fuse-box-diagram

On this website you find fuse box diagram and description for Cadillac Eldorado (2001)

https://www.carknowledge.info/cadillac-eldorado-2001-fuse-box-diagram

The starter enable relay is located taped to harness 5" rear of front edge of left rocker panel channel.

Hope this is helpful.

one at a tine remove the plug wires the spark plug is under the wire

Take a look at your air con controls on the centre console.

You will see an "OFF" button and to the right of this you will see a toggle switch with an up arrow with the word "PASS" just below it.

Simultaneously press the "OFF" button and the up arrow together for three seconds or so and release when you see the instrument cluster lights come on.
You are now in diagnostic mode.
Read the codes from the digital display on the instrument cluster.
Have a pen and note pad ready to write down the codes.

to test if its the float in the gas tank, use a rubber hamer and hits 2-3 times than check guage. If the level is still wrong its the guage.

The terminals are bolted on...You will need to simply pull off the plastic covers on the terminals....you should see a bolt in the centre when the cover is removed.

you have 4 o2 sensors on the new one 2 in front of catylitic converter and 2 after on the exhaust