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fire wall???????????????
HAYNES REPAIR MANUAL
The 1999 Cadillac Deville headlight relay switch can be found in the fuse box. The headlight relay switch will be in the third column, second from the top.
on the fire wall in back of your disbributor it is a funny lookn relay it has 3 wires coming out the bottom.it is the one that has a sensor and the relay on the same bracket. the relay on top. i hope that help good luck. p.s Nate Dawgg.
Should be on top of the starter
a fuse, relay, bad ground or positive wire at switch or solenoid, etc.
lower part of radiatorleft side
Replace flasher relay that is attached to right side of steering column. Switch it out with hazard relay to see if that is your issue. F
It will vary by location and where you get it from, however it is inexpensive, $10ish give or take.
Under the passenger side dash behind the kick board
Look under the hood,passenger side at the firewall, you will see the blower motor,directly to the right going towards the drivers side ,you will see the blower control module, then the little small relay will be the next part over.
it is located just below the fuse panel below the dash on the drivers side. large rctangle relay