Heater and ac fuse 1986 chevy silverado full

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My heater fan works on low and medium speeds but blows a 20 amp fuse on the panel if switched to high.

heater and ac fuse 1986 chevy silverado full

I've read posts made previously in this forum and have studied the wiring diagram posted by Vile. With a good fuse and the relay removed, I get 12 volts to the heater-AC selector switch, to the battery and blower terminals of the fan switch when switch in highand in the heater relay harness at the clip on the orange wire which connects to the coil input terminal of the relay.

Plug in the relay and the fan runs in low and medium- the default setting of the relay- move the fan switch to high to put current through the coil in the relay and the fuse blows. In getting to this point, I've tried replacing the relay, tested the fan switch for continuity and ground faults, tested all the wires the harness with the resistor and switches unplugged for grounding, and tested for grounding between the orange wire and all other wires in the harness.

I've unwrapped and inspected wires in the harness as far as the firewall, no nicks or scorching. I have cleaned the grounds from the fan and the relay, and the clips on all wires in the relay plug socket. At this point, any ideas or suggestions anyone could make would be very welcome. You have a bad ground. At least that's what was wrong with mine To test, run a ground jumper to the one of the motor mount bolts and replace the fuse then switch to high.

Thanks, you nailed it.I have a Chevy K Silverado, miles Started the truck one morning and the heater panel was dark, no functions worked. I checked all fuses, then I removed the panel and disconnected the plug. With the key on, I found 12 volts on three different pins on the connector. I ordered a new panel and installed it and the same thing panel is still dark. What's Next? Do you. It sounds like the LPS fuse is out becasue that is what runs the system.

Here is a guide and a wiring diagram so you can do some testing. Here is the fuse panel and air conditioner wiring diagrams below Please let us know what happens. Cheers Images Click to enlarge. Was this answer.

I will tell a friend! The digital climate control panel on my Chevy C Silverado has started to sporadically cut on and off. This started very recently, so it has only happened a couple of times.

How to Check the Blower Motor Relay on a Chevy

The first time it happened, the display went blank, and the fan stopped blowing. It stayed off until I got to my destination. Once I got to my destination, I turned the truck off, and when I turned the key back to the "on" position, the display was on, and the fan was running.

It worked fine for a couple of days, and then it happened again.

83-87 Chevy GMC Fuse Box Diagram

It did almost the same thing as the first time, only when the display went blank, there were various icons on the display that would flash, like it was trying to turn back on and couldn't. The fan also stopped this time as well. Another thing that was different is that a few moments after it went out, the display came back on by itself, and the fan began working.

I do not know if there is a fuse for the climate control, or perhaps a relay. Where do I start checking this? Or do you think the climate control panel itself is going bad? It sounds like the panel is going bad but this also sounds like auto temp control so have a pro check it as it may be something else. When you say "auto temp control" are you talking about a "Auto" button that some vehicles have that allows the vehicle to control the climate based on the temperature setting?

If so, my control panel does not have this function.Fuse Panel Layout Diagram Parts: radio, heater, wiper, choke heater, turn signal, power window, air conditioning circuit, auxiliary heater, instrument panel light, gages, idle solenoid, tail light, courtesy light, ignition circuit, horn, spare fuses, converter clutch switch, tachometer, radio, window defogger, 4 wheel drive indicator light, auxiliary battery, power door lock, clock, dome light, door jam switch, cruise control, radio, window defogger, lock up torque, power accessories, brake, hazard light.

Skip to content Chevy GMC Fuse Box Diagram Chevy GMC Fuse Box Map Fuse Panel Layout Diagram Parts: radio, heater, wiper, choke heater, turn signal, power window, air conditioning circuit, auxiliary heater, instrument panel light, gages, idle solenoid, tail light, courtesy light, ignition circuit, horn, spare fuses, converter clutch switch, tachometer, radio, window defogger, 4 wheel drive indicator light, auxiliary battery, power door lock, clock, dome light, door jam switch, cruise control, radio, window defogger, lock up torque, power accessories, brake, hazard light.Most orders are shipped within 24 to 48 hours of receipt.

Product This relay is used in the blower motor circuit. Defective relays should be replaced to maintain proper operation of heating, ventilation, and air conditioning systems. View Product Details. Product TL Each assembly features the correct faceplate for an original appearance. Product RHA. With simple plug-in connections no vacuum lines and fewer wires to route the panel operates our exclusive Replacement U-clip nuts used on various GM vehicles.

heater and ac fuse 1986 chevy silverado full

Black phosphate coated. Quantities vary by model. Use as needed. Heater control fastener clip is designed to replace the damaged or missing originals for the heater Product V.

1986 Chevrolet Truck Parts - AC & Heater

Vintage Air trinary switch kit for beadlock crimp hoses. Vintage Air trinary swithes feature low and high pressure compressor clutch cut-off functions plus an electric fan engagement signal at psi. The low pressure Replacement push on round flat nuts used on various vehicles. Zinc plated.Most orders are shipped within 24 to 48 hours of receipt. Product This relay is used in the blower motor circuit. Defective relays should be replaced to maintain proper operation of heating, ventilation, and air conditioning systems.

View Product Details. Evaporator kits include all the interior components including mounting brackets, duct hoses, wiring harness, Product G Keeping your classic cool in the summer is easy when the original AC equipment is working properly. Correct replacement heater core installed on Chevrolet and GMC truck models with air conditioning.

Product TL Each assembly features the correct faceplate for an original appearance. Product A The NotcHead fastening system will keep your braidedl lines secure and look great while doing it! Once fastened down with the included hardware, your lines will snap in and out of these clamps for a clean and simple Product RHA. With simple plug-in connections no vacuum lines and fewer wires to route the panel operates our exclusive Product RF Protect your cooling system with this heater core coolant filter.

Featuring heavy duty solid brass construction, this filter is installed inline directly with the heater hose ahead of the heater core to prevent dirt and Product E Correct style wiring harness J-strap retaining clip used on various GM vehicles. This reproduction wire retainer is stamped steel with a plastic coating to protect wiring as original.

Correct hardware can make any ABS plastic clip designed for use on many GM applications. This push in style clips is used for applications listed below.

heater and ac fuse 1986 chevy silverado full

Correct hardware can make any installation job easier. Replace your missing or damaged hardware with This standard drier is painted black and features a trinary safety switch along with all necessary mounting hardware. Dimensions are 2. No adapter needed. Compressor Cylinder Locator Pin: Correct cylinder locating pin used for the compressor cylinder. For use on all axial compressors. Compressor Internal Oil Pump: Rebuild your original compressor.

The internal oil pump assembly originally installed on axial style air conditioning compressors. Consists of an 1 inner and 1 outer rotor.

heater and ac fuse 1986 chevy silverado full

Product S Ideal replacements for worn or rotted heater hoses. Non-corrosive stainless steel construction conforms to tight bends and holds shape indefinitely. Rated for high temperatures and high pressure, this is the ultimate heaterThe blower motor relay on your Chevy vehicle is essential for the operation of the blower.

If the relay is blown out, you will need to install a new one is soon as you can. Thankfully, it is fairly simple to tell if the relay is malfunctioning and to install a replacement. The blower motor relay is located in the under hood power distribution center and is simply labeled "Blower. Remove the fuse block cover.

The fuse block is located in the upper corner of the engine compartment, and the cover can be removed by hand. Pull the blower relay out of the fuse block. The blower relay is located near the front of the fuse block and is labeled "Blower. If the metal rod inside is broken, the relay will need to be replaced. Install a replacement relay if necessary.

Reattach the cover to the fuse block and close the hood of your Chevrolet vehicle. This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

To submit your questions or ideas, or to simply learn more about It Still Works, contact us. Step 1 Open the hood of your Chevrolet vehicle. Step 2 Remove the fuse block cover. Step 3 Pull the blower relay out of the fuse block. About the Author This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.The CBO estimated in 2015 that the ACA had reduced the number of uninsured by 12 million, leaving a remaining 42 million uninsured.

Though it uses a somewhat different metric than the CBO uses, the estimate from the National Health Interview Survey (NHIS) was that 36 million people lacked health insurance in 2014. The latest data from the NHIS, meanwhile, shows the uninsured rate is down to an all-time low of 9 percent. In 2010, nearly all groups overestimated the average premium of a "benchmark"--or second-lowest cost--silver plan in 2014. Overall, most errors in the CBO's predictions can be traced back to the fact that its estimates were made before taking into account the effects of the ACA, the analysis concludes.

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