1990 Mercury Grand Marquis Q&A

1990 Mercury Grand Marquis Question: 87 Grand Marquis 5.0L V8 Where is the Headlight relay located?

I replace the dimmer switch but my low beam light still won't come on purchased headlight relay but can't locate it under the hood. -
Answer 1
Have you checked your headlight switch - the switch itself? Common for failing. And usually ruining and melting the wiring connector too. Inspect that. -