86 Fox 2.3 Lx

Edw25

New Member
May 5, 2016
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Gust got my first mustang and need some advice on the wire harness has a shortage some where when headlights are on after a few minutes they shut off push switch in and back out and they come back on any ideas
 
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Step one is get a wiring diagram for your year. They vary by year a good bit.

The headlights are protected by a circuit breaker. If it senses an overload, it trips or opens. When it cools down, it works again. Should be in the headlight switch, although I am not familiar with an 86. You may have a worn wire shorting, or a poor ground, drawing too much current, bad connections at the lamp sockets, or the circuit breaker itself is tired.