Type: Posts; User: bill190
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Charge the battery overnight with a battery charger. You can buy these at auto parts stores.
Then next day, disconnect the charger and check the battery voltage with a multimeter.
You need the right tools and documentation to work on A/C.
That would be a set of gauges so you can read the low and high pressures.
Then a GM Factory Service Manual set will have pressure...
Wire it direct to the battery like the instructions say.
Use the proper gauge wire for the amperage. Table...
If the computer was recalibrated as in removing one battery terminal for 10 minutes so the engine computer "relearns" everything. And you "just" had this done like today...
Then let it idle for...
I went through 3 new bulbs for the inside of my car in one month! It turns out they are making junk bulbs these days.
I got disgusted and bought a LED replacement. It has been working fine since....
That could be a temperature sensor for the mirror outside temperature. Put a piece of ice on it and see if the temperature reading on the mirror drops.
I think your main sensors for the alarm are the light switches on the doors and rear hatch. Might try setting the alarm, then giggling each door and see if you can cause the alarm to go off.
08-25-2009, 10:20 PM
Yes, that is a nasty problem!
If someone uses the wrong size test lead to test a female connector, it can expand a terminal on the female connector so it no longer makes good electrical contact....
Sorry, but my modification is a "work in progress". There is a problem with a ground loop when using a charger from the cigarette lighter to the ipod.
And basically I have worked in electronics...
In general the "factory" service manuals are the best for anything which can be repaired. They manufactured it, so it makes sense they would have the best service manuals.
In this case, as said...
If it came with a wiring diagram, check voltage and signals to the unit to be sure it is getting these.
So power to the unit.
Vehicle speed signal which I would assume it would need.
Do you have your A/C on?
With the A/C on, the compressor will cycle on/off. And it will do this more in cooler weather, stay on more during warmer weather.
When the A/C is off, then...
Are your add-on devices wired directly to the car battery or the large cable from the car battery using large gauge copper wire?
Wires a like a water pipe. If you have a small water pipe like the...
Hey you're just as good at removing these things as I am! :rofl:
Try auto parts stores.
Or wrecking yards.
08-23-2009, 04:58 PM
I always look at a wiring diagram to first understand how it works.
Some units have a "blower motor resistor" which is a typical problem.
Others work differently.
P.S. Check all your fluid levels daily at first. Oil, coolant, power steering, brake, transmission.
Some used vehicles might have a leak, so best to catch it right away.
A truck I bought had...
For stuff like that, the factory service manual is pretty useless. Sometime helpful. But many times it might say "remove grab bar" and that is it!
And I usually wreck these things the first time...
Also you can go to wrecking yards and get all sorts of body parts for the vehicle for quite cheap. Cosmetic things.
For engine parts, I get new.
08-23-2009, 11:51 AM
The year should also be on the registration or title. If they don't have the title, I would not buy it!
I would start with a fuel pressure and VOLUME check. Here are instructions for that...
Then everything these days is computer controlled and...
I don't know what year vehicle you have, but most modern vehicles have computer controlled engines.
And with these, to troubleshoot and repair them, you need detailed instructions for testing the...
I don't know about your specific year, but I've not heard of anyone going to any extreme trouble to replace an actuator. So far as I know, they are fairly accessible.
As to replacing other parts,...
Try a "reboot"!
Remove a battery terminal for 10 minutes, then reconnect.
Turn ignition switch to on, but don't start.
Wait 1 minute.
DO NOT touch any buttons in the vehicle during this...
Usually there are a bunch of wires in that area. Maybe one came loose?
If you don't see anything obvious, then you will probably need the factory wiring diagrams which would be in a GM Factory...
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