that makes no sense
No they won't, but I wish they would!
Under the hood.
No.
the Horn is under the passenger headlight.
In the fuel tank.
wiring problem
The jack is located under the rear seat on my 1997 Jeep Grand Cherokee.
In the cylinder heads, where the gas flows.
If it's the same as a 96 Pontiac Grand AM GT, than you would need a 10mm socket and rachet there are three bolts on top of headlight remove these and just pull out headlight. Disconnect the wire going to the bulb you want to replace.
On a 1997 Mercury Grand Marquis : The thread on cap on the engine coolant reservoir is your 16 PSI pressure cap / radiator cap
A 1997 Mercury Sable takes the ( # 9007 headlight bulb )
where the headlight's adjustments screws for a 1997 Pontiac Sunfire are located