20 Most Recent 1992 Cadillac Seville Questions & Answers


Probably the heater and A/C programmer (APC) - should be on the passenger end of the HVAC box under the dash.

1992 Cadillac... | Answered on Feb 03, 2018


Theres not much u can do without the wiring diagrams, tools & knowhow on an intermittent electronic problem. I suggest u "bite the bullet" get it done properly. Theres a motherboard behind the dash that u have no way of checking on your own. Good luck

1992 Cadillac... | Answered on Apr 07, 2017


People. We need to know what kind of vehicle it is. Has it got towing package, has anyone put a trailer connector on it, have any of the light housings been replaced. The more info you list the better of a chance at getting an answer you will have.

I have counted 34 posts so far that did not have what kind of vehicle it is. All cars and trucks are not the same

1992 Cadillac... | Answered on Aug 30, 2016


Anon, There can be codes thrown when converter is bad and a lot of time there will be codes/not always, why I do not know. To actually determine if converter is bad, there are test/diagnostic procedures.
Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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1992 Cadillac... | Answered on Aug 26, 2016


Deo, brake light goes out when left signal is on, this is normally a sign of a bad bulb/socket/wire/ground or multi function/signal switch.
You will have to have a good Tech. troubleshoot, diagnose and estimate repair if you can not. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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1992 Cadillac... | Answered on Aug 26, 2016


It is on the passenger side just off the glove box insert which you must remove.

1992 Cadillac... | Answered on Aug 12, 2016


only a suggestion

under the dash board

1992 Cadillac... | Answered on Mar 16, 2016


Here is a firing order diagram for that engine.


ec945cb.jpg

1992 Cadillac... | Answered on Jan 02, 2016


replacing the ecu on most vehicles will need coding
if its qa chipped key definitely will need coding again so wont start only swing
if its a open box ecu with same ecu no then it should start first time

1992 Cadillac... | Answered on Jun 12, 2015


Inside the oil pan. It is driven by the camshaft.

1992 Cadillac... | Answered on Feb 14, 2015


Could be many possible issues, but begin by testing fuel pressure. If that checks out, read any codes. If none, test TPS and check for vacuum leaks.

1992 Cadillac... | Answered on Jan 14, 2015

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right brake light goes out when left

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