20 Most Recent 1989 Pontiac Bonneville Questions & Answers

What are the trouble codes stored in the computer ?

the radio may have a security code,if it has & the battery has been disconnected it will not work until it has been recoded....hope this helps.....cheers

Get a Chilton's manual from an auto parts store. It will give you those instructions.

You don't charge with the hi side port. Use the low side on the accumulator. The hi side port is on the compressor if you want to connect a maniflod gauge set to it.

Let the dealer fix it. The key must match the lock cylinder You can get the key code by reading the diagnostic plug.

Look behind the glove box.

The ignition switch may be the problem. Clean the battery terminals too.

elec or manual

I assume that you are talking about the window regulator and there is usually not a reasonable repair to it, you just need to replace the regulator, they are not expensive and can be ordered from us auto parts online. The HARD part is getting it out, once it is out just replace it don't try to rig it, that will just cause you to have to replace it later.

came off track or gear slipped

Not getting fuel to carburator, change fuel filter.....

If it is turning over and you have no spark then I would look to the coil pack as that is what sends the spark.

I would start with basics: check timing,plugs,firing order,compression,etc.... Does your car have oxygen sensor?,catalytic bad?,etc.; don't buy things unless you first check if component is bad. Hope this helps. Alberto

Check the dash dimmer dial. Car wash cleaner may accidently swap it to minimum brightness while cleaning the dash,

YOU UNHOOK BATTERY UNPLUG ECM AND PLUG IN NEW ONE. CLIPS ON SIDE OF PLUG HAS TO BE PUSHED IN TO RELEASE PLUG

is it the low or high pressure hose?