you could have a short between the two.
ck bulbs first then ground circuit and power on trunk lights.Ground most likely
Mercury tracer parking lights may stay on due to a malfunctioning light switch or a faulty relay that fails to disconnect the circuit. Additionally, a wiring issue, such as a short circuit or damaged wiring harness, can cause the lights to remain illuminated. It's also possible that a sensor or control module is malfunctioning. Checking the light switch and inspecting the wiring for damage are good initial steps to diagnose the problem.
Overload or short to ground
Check the shift unlock solenoid. The solenoid is known to go bad and cause this issue in a tracer.
You could try recharging the battery, or having the connections checked by a mechanic.
According to the Gates website ( they make timing belts etcetera ) the 1.8 and the 1.9 liter four cylinder engines used in a 1995 Mercury Tracer are ( NON - INTERFERENCE engines )
A short in the wiring.
A short in the wiring (grounding out)
Yes that could be the cause. If you keep blowing a fuse, either you have a short, loose connection, too small a fuse, or the circuit is overloaded.
Short in the wiring or inside one of the plugs.
short in the wiring behind your aftermarket radio
A corroded ground wire will cause a fuse to blow. Until the ground wire is cleaned the problem will persist.