I have a 1988 Ford Bronco 2 XLT, and the problem that I am having is that I had blown both of my headlights, and when I replaced both of my headlights I don't get any power to them. I also do not have any dashboard lights either. I had replaced the light switch with a new one and I am still not getting any power to the headlight or dashboard lights. I have been told by serveral mechanics and a autoparts dealers that it is m connectors, but I have tested the connectors and they show that there is power going to them. I am basically stumped and I cant figure out what the problem is. I have also checked and changed all of the fuses.
Be sure to check and see if your wiring to frame ground is good. I am not sure that you "blew" all of this at once. There should be a ground that runs from the light harness to somewhere on the core support. Just be prepared to chase wires. Electrical gremlins are always fun.
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Should be several Phillips head screws that hold the trim ring that surrounds the headlight on. Remove them then there are 3 or 4 that hold the headlight retaining ring on. Remove them and the headlight should come right out.
Pretty simple. The headlight switch has a circuit breaker built-in for the headlights so you would check power in and out of the switch if none of the headlights work. If you have power in and out of the switch the next step would be the dimmer switch.
In almost every case this is caused by a overheated and damaged headlight switch and the large connector that goes to it, both parts are cheap and you can get the switch and the repair connector from any NAPA or Carquest auto parts store. The headlight connector and switch must be done as one repair or the new headlight switch will quickly stop working again due to a poor connection of the connector. When the connector is replaced it must be soldered the wiring harness and shrink tube for insulation of the connection, ONLY DO ONE WIRE AT A TIME.
1) remove the grille screws
2) tilt the top of grille forward to reveal the 2 screws under the headlight
3)Remove the four screws on the headlight retaining ring one at each corner.
4) pull the head light forward and unplug the headlight.
The top middle screw and outside end middle screw are your adjustments, the chrome piece holds the light in