Cigarette lighter problems

door locks and cig lighter ARE NOT on same circuit. Maybe lighter is broken and blowing fuse.

using a test light check for power and ground for the lighter socket. if this is good then then you know the fuse is good. this indicates that you need to replace the cigarette lighter element. the part that gets hot when you want to light a cigarette.

Lighters don't run on 5 amps. 30 amps yes. Most likely burnt a wire also. Usually close to the lighter socket.

The lighter socket or the element.
Check the element for burn marks and the socket for debris blocking the contacts.

This problem will require some diagnosis: You'll want to start by checking the relevant fuse. If the fuse is good, use a voltage meter to check the voltage at the cigarette lighter. If there's no voltage, additional diagnosis will be needed to figure out if it's a wiring problem or if the socket itself has gone bad.

It would most likely say accessory fuse or courtesy.
Thank you for using fixya and good luck.

i do not have a picture of , fuse box, but you dont need one. Check on the left lower dash, right by the parking brake handle for a little black door, open it, and check every single fuse in order to find the broken one. Make sure that ignition is OFF, and that you replace fuse with one of the same value and color. Th lighter is interconnected with other accesories, so if the fuse is really shorted, you must have lost some lights, radio or other accessories as well. If you find no broken fuses, then the lighter itself might have bent contacts that render it unusable.

This for stop lamps, the tops wires are voltage and bottom wire is ground. Use a test light and check them both.

Most likely you have something metallic that entered/fell inside one of the cigarette lighters.

I once found a dime inside a cigarette lighter which my children assured me was placed there by a shadowy personage named "Notme". Go figure.

While the fuse is REMOVED, look inside each lighter with a flashlight and remove the foreign material.

If you find nothing inside the lighters, disconnect them all from the electrical system by removing the single wire attached to the rear of the lighters. Replace the fuse.

Alternately, you can disconnect them one at a time, replacing the fuse after each one. You may need a few fuses for this.

If the fuse blows after ALL the lighters are disconnected, you have a wiring short circuit which is best diagnosed by a professional.

If the fuse does not blow, begin reconnecting the lighters until you see a spark, or the fuse blows again. This is the faulty lighter, replace it and your problem is solved.

Note: You cannot get shocked or electrocuted by your car's 12 Volt system but you can be burned by heavy sparking. You can reduce the risk of heavy sparking by using a lower-rated fuse during the testing. Wear saftey goggles and latex gloves for safety.

Good luck

check to see if there is voltage going to the lighter itself. you can use a voltmeter for this or a 12v test light (really cheap). if there is no voltage while the vehicle is running--you need to replace the lighter. if there is no voltage at the lighter--check to see if there is voltage at the fuse. if not--i'd recommend rewiring it or figuring out where the break is.