Questions & Answers for: Mercury Grand Marquis earth surface

...is applied then signals don't flash. Usually applying brakes when turning so not good Check all earth wires on all lights. most lights in cars run in series so if u loose one you loose the other ...

...in fuse box but socket is empty my car. Where would flasher be and can it be replaced. its a bad earth in the flasher light or the flasher relay is about to pack up on you...clean all the earths ...

...you are working on first, use a test light (they are about $5 from your auto store) find a good earth on the vehicle body and connect the alligator clip on the test light to the earth, use the ...

...and fuse still not working Check that you have proper earth, it should be either by a separate wire or directly on a metal surface. check for relay /ground wire broke or bad switch on the brake ...

the battery is good but when i turn the ignition i get no power to start Check the earth connection between the engine and chassis.

I purchased a OE Dorman intake to replace the original because the water jacket leaks at the thermostat. I removed the old intake and found the rubber gaskets inbedded on the engine side and the new ...

...on my headlights my taillights flick off an on. Could problem be fuse or bulb try putting a new earth lead from neg on batteryto a cleaned metal part of the bodyif this do's not work.i would ...

my tail lights and break lights quit working Sounds like a break or disconnected wire, either earth or positive. chk all connections on/off and under the car joins. look for a damaged wire in the boot

1999 Mercury Grand Marquis wont start and gearshifter wont engage into any gear The "Park/Neutral" Switch is out It's located on the surface of the Transmission. Get it to a machanic or Transmition ...

...thing l;eft is a broken wire somewhere get hold of a multimeter that covers 12volts and check the earth first then look for the supply point ( at the control module and then follow the loom