Have the electrical charging system tested. That seems like a good place to start.
Located in a removable housing at the engine end of the upper radiator hose
The spark plug wires fire in the 1, 3, 4, 2 order on the 1991 Mercury Topaz GS 2.3 engine. This is the most common engine type for this vehicle.Ê
Your 1991 Mercury Topaz 2.3 liter has a timing CHAIN
don't believe they had daytime running lights in 1991 topaz
A 1991 mercury topaz has drum brakes on the rear wheels.
2.3 L engine, around 110-115 mph. That's about 180 kph.
To instal a neutral switch on the 1991 Topaz, kindly make reference to your users manual.
To install the 1991 Ford Topaz neutral switch, just follow the instructions on the user manual.
Have to remove the transmission for that.
It sounds to me like you have wiring problems.
According to my Chilton's Auto Repair Manual : For a 1991 Mercury Topaz ( front wheel drive ) ( 15.9 US. gallons )
1994 mercury topaz 4cyl