Question about 1986 Cadillac Seville
Heater control does not work, information center reads system problem
Posted by Anonymous on
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Posted on Jan 02, 2017
You can get plates without mileage - just check box for "in excess of mechanical limits" - there is a box you can check for something like that I believe - sounds like the control module ....Pricey and common failure...Sorry I couldn't help more,,,,
Posted on Aug 30, 2009
The backlight bulbs are burnt out. Common on this model. Unfortunately, it is NOT an easy fix. You'll need to pull the dash cluster and replace the bulbs. It involves de-soldering the old bulbs and replacing with new. I have done this but it is very time consuming and you MIGHT damage the circuit board if you are not adept at micro-soldering. IF you do this, replace ALL the bulbs as others will slowly burn out. Replacement bulbs are NOT available thru GM. You'll need to go to a place like MCM Electronics or Top Bulb to get the correct one....There are businesses on-line that specialize in dash repair. GOOGLE to find them.. They ususally charge $100 for this service.
Posted on Nov 22, 2009
SOURCE: cadillac seville won't start
I've got an even cheaper and easier solution, instead of buying a new cylinder, find that plug and snip the orange wires going to the old cylinder.Then remove the resistor chip from the key and solder each of the the wires to each side. this will fool the car into thinking the correct resistor chip is in place, allowing you to use the original key or any copies with or without resistor chips. i just did this to my caddy and it roared to life! :)
Posted on May 20, 2010
BCM and right lower switch at the info center.
Posted on Jun 06, 2010
Testimonial: "Aloha from Hawaii. My wifes 91 has not reached 100K yet but every once in a while has a senior moment. The strange condition has not happened again but the information was very helpfull. Mahalo and Thank You."
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