That's a battery problem. Usually, it is the result of corrosion on the battery terminals. If there is a yellowish crust or powder around the battery terminals, you have a cracked seal around the battery post and fumes from the battery are corroding the connections. Disassemble the connections and clean both the posts and the inside of the connector clamps. If you have after-market battery clamps, take apart the connection that holds the clamp onto the cable, clean the bare wire and the wire clamp fittings. You want to get shiny metal connections all the way through. I recommend using a wire brush battery post cleaning tool (available at car parts stores.
If this doesn't work, your battery may be bad. Most car parts stores will test your battery for free or a relatively small fee. Another possibility if you have factory original battery connectors is that the wire has corroded inside the molded-on connectors; in that case you will have to replace them with aftermarket clamp connectors.
To prevent cracking the battery post seal or making the crack worse, always apply a counter-torque to the battery clamp with one hand while tightening or loosening the clamp bolt with the wrench in the other hand. The purpose is to keep the force of the wrench from bending the battery post against the seal with the battery case.
Hi, from what you are saying it sounds like the battery is flat, see if you can get someone to give you a jump start, or put the battery on chargefor a fuew hours, then try again, all the best hope you sort it.
Check battery voltage with volt meter and battery plus minus first. Next starter / starter solenoid. Battery ignition off should be 12.4 volts if charging sytem is working and near 14 volts when engine is running
SOURCE: 2007 Mercury Grand Marquis required oil weight
If u have a moderate climate, 10W-30W, if cold climate 5W-30W, do not use any heavier weight of oils.
SOURCE: emergency fuel shut off switch for 1992 mercury grand marquis
It is in the trunk I can remember which side on a 92 but it will be behind the side trim panel almost straight down from the trunk hindge.
SOURCE: mercury grand marquis
it is on the fender near the battery and is also referred to as the starter solenoid (if you follow the large wire from the positive terminal of the battery at the other end will be your relay/solenoid)
hope this helps!
SOURCE: rear shocks on a 1996 Mercury Grand Marquis
2 bolts on the top of shocks and 1 bolt on the bottom but the top 2 bolts are a pain in the neck
SOURCE: how to replace starter +1993 Mercury Grand Marquis
disconnect battery,,jack car up,,put jack stand on frame,,take starter bolts out,(may not be easy),,take wires off starter,,hoped it helped,,
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