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2003 Chevrolet Silverado 1500 - Page 5 Questions & Answers
Heat and ac controls quit working. Changed the control unit and still nothing. Checked fuses and all good.
If your saying the blower motor doesn't work, turn on the hvac and check voltage and ground at the blower motor connector. Go from there.
Can you check for applicable hvac trouble codes? Some of the national brand auto stores will check codes for free, if there are any.
At the applicable fuses, you need to check fuse circuit for voltage. Even if fuse is good, if no voltage on the fuse circuit, the circuit is still dead. Use a testlight to check voltage.
4.3l. Where is ECM located?
Hi there I am technical mechanical and electronic engineer mechanic it should be on the left of the fire wall or on the past. Side floor of the truck sir but they are always be change them if you send me a pic to my email address of the motor and of in side I tell yfor ou for show sir and I have a .? For you why do you want to find it for? Just asking not trying sound like a rude person (
[email protected])that is my email address and I will help you with anything you need sir I just want to make sure it is the ecm mod and not some thing else I work on them Evey day I deal with electronic and mechanical problem more than anything else I do most of the time I get pay for finding out problems no one else can and my mechanics fix them so I will be more than happy to help you sir
Speed odemeter does not work
check the connection to the transmission its a speedometer sensor and it could have malfunctioned or came loose
How do I replace the heater core?
I drove a Silverado last year and I had to replace the heater core as well. As Ray suggests, I fumbled through the repair manual but found that very difficult to process. I ended up going to a place that specialized in truck equipment and parts and taking my questions up with them. I was able to get what I needed and hear a word or two of advice on installing the core. Do you already have the replacement core?
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Service brake system message abs and brake light on
hello Joanna Watson possible for this are the sensor for the brake system...this is the features of the car company for further trouble may occur in the future...but you can drive your but it always appear.
My break lights dont work.fuzes and bulbs are ok ?
For starters it is spelled "Brake" light...LOL . Sounbds like you may have a brake light switch that has gone out. In yor owners manual does it show more than one fuse for the brake lights? Most vehicles with a thrid/highmount brake light split the brake light power to either the left and third brake light and the right brake light or vice versa, or posibble 3rd brake light on its own fuse. I would check if all of the brake light including the 3rd brake light dont work. If no lights work at all it leans toward the switch which controls all or them to activate hence the brake light switch. It should be mounted on your brake peal arm or to the main base. The pedal lever activate the switch when you depress the brake pedal.
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