What fuse or fuses control the top, a c, and sds system on a 2004 sl 500

probably alternator fusible link
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Fuse link replacement for Ford Expedition 2003 5 4

That won't burn out the compressor. It could be dead already. There are several things that will keep the light on, in the dash. High, low pressure switches, A/C .heater controller malfunction, wiring, and the compressor is bad. All these turn the light on, but all will shut down the system. Put it on a scanner and find out what's wrong.

Usually if battery is good. Its usually a parasitic drain. You can use a standard multimeter, and put across each fuse top. Two little tips. If you see a voltage even a little bit. That's a drain. Find what fuse go's too. And diagnose.

Try changing the fuse for your fuse box for he temperature

you can pull negative battery cable and put test light on negative battery post, when lights up pull a fuse from fuse panel and if light goes out then thats where the short is, if light stays on then go to the next fuse

what's the year and model of your car? need that information to help you. leave details.

This indicates you have an issue with your ABS control unit. ABS is a system that "pumps" the brakes in rapid succession to prevent wheel lockup during an emergency start. A common cause of sliding in wet weather, etc. To do this a computer control module uses plungers to open and close the brake fluid flow to the brake in miliseconds..so while you are pressing on brake pedal hard... the system is actually applying and releasing the brake in rapid succession (miliseconds) to prevent skid, etc. When teh computer module goes bad the ABS and Parking brake light will stay illuminated. There shoudl be an ABS fuse in your vehicle (please refer to your manual) that can be removed. Remove this fuse and check it for dirt, blown, cracks, or corosion. Replace the fuse and listen with the motor off if you hear a hum noise this would indicate the motor is running continuously for the brakes and is another indicator of a bad control. With the fuse removed both lights should stay continuously lit. If the motor is running continuously this can blow the ABS motor.. your brake system will still function with the fuse removed, but test it with a slow roll (no gas hand pushed car) The ABS controller is quite pricey to replace in the vehicle and should be referred to a licensed facility such as a dealer. YES dealers are high but to have this job done properly you need to have the vehicle raised on a platform. Your local brake shop, muffler shop, shadetree wont be able to do this control repair properly.

what i think is you problem is the device attached the one door latch and need to be replaced for a new one,you can get them from the dealership and the are not expensive,this device is the one turn your lights on(interior) when you open de doors

Ether the fuse or ac switch. more likely,ac control unit.

If you have the hood up stand outside while someone activates your air off and on and see if the clutch on the compressor goes on and off while they activate the switch. If that isn't it the it could be improperly charged system or your climate control door that opens and closes for hot or air is not working properly and only stays on heat.