in the middle of dash under ash tray and behind console
Yes , the PCM is the voltage regulator.
can't. computer does it automatically.
yes, it will fit, but your ECU and PCM won't like it very much.
Under the hood, bolted under the wiper cowl in the center.
Yes it will, but the problem is that the PCM. / computer in the 91 will not shift the transmission up and down. I'm sure that the 91 had the 700R4 trans. in it. And that's what needs to be put back in it are you will have all kinds of problems. GOOD LUCK.
It means the oxygen sensor is not giving an input to the PCM. Either a bad O2 sensor or a wiring issue.
its a non medical tracer.
Probably the horn. The click indicates it's getting power but not sounding, so I'd change out the horn assembly.
Blue Tracer was created in 1941.
Tracer AMC was created in 1999.
Mercury Tracer was created in 1987.
Mike Tracer is 5' 10".