We keep blowing fuses, and then we have no dash lights or tail lights.
This has just started. It wasn't noticed until November as the car was never driven at night. But with it being dark in the mornings that is when I noticed it.
We don't know if this is a short or a bad ground.
The only thing i can think of then is that if he didn't completely cover any of the wires with electrical tape or wire caps if he spliced them, then that would cause it. If that isn't it then I am not sure what else it could be, sorry.
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fuses blow because of dead shorts or excess current draw
to blow a 15 amp fuse indicates a dead short
by disconnecting the rear lights , the problem is in something else you have replaced
could be a problem in the head light wiring
Likely there's a wire loose that's shorting to the chassis. The way I troubleshoot these is to put a lightbulb in the fuse socket, and then go under the dash, and move stuff around while somebody watches the light. When it goes on, you're close to the problem. Yeah, it's a royal pain, but that's the best way I know.
Automobile companies make the dash lights stop working to let you know that the tail lights are out. Usually it is just an indication that you have blown a tail light fuse. First make sure that you do not just have the dimmer turned down on the dash lights. But if the dash and tail lights are out, first check the fuse block to see if the fuse for the tail lights has blown. If you change the fuse and it blows right away you will have to start searching for electrical shorts. Another tell is when you notice that the turn signals are flashing faster than normal. This means that one or more of your turn signal bulbs has burned out.
your lights are grounding out some where you will have to check for a dead short in the wiring use a volt meter in the resitance mode and track through you power side of the lights untill you find your dead short, start at the back and work your way to the fuse box pull the fuse and follow the wire. there is a short in it it will just take some time going through look for worn coating, cracks, or melted.
good luck & and happy hunting
you have a short somewhere, unplug the tail lamps one at a time and see if the fuse still blows. if you disconnect one and the fuse does not blow and everything else works, the problem is in the tail light assembly. if not, the short is most likely in the wiring harness which can be a bit tricky to diagnose. alldata.com/diy offers one year subscriptions to cars with all the repair info and they have excellent wiring schematics. dont forget to try the front marker lamps in addition to the tail lamps.