1988 Ford Ranger Failing - Electrical & Lighting Systems


Question: headlights regular beam not working sometimes at start up and flashing highs and dimming will bring on regular beams sometimes not, and in the last day or so noticed that when using turn signal will also cause them to flash and started dimming while driving and for no apparent reason. Causes? Troubleshooting tips? Recently replaced battery and alternator and was having this problem before but seemed to stop after fixing battery then a couple weeks later the alternator. Don't know if this would have anything to do with the problem but that's been what I've figured out and fixed so far.

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Technican: Hi, Most likely you have a bad dimmer switch. You will need to replace the entire combination switch unit. Since playing with the switch causes the lights to respond differently, the cause in inside the switch.
Owner: how do I get to the dimmer switch?
Technican: Remove the steering column shroud, then remove the screws that hold the dimmer switch.

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