Inside the trunk there's a smalll Phillips head screw on the liner in the area behind the tallights, take that out. You can pull the liner away from the body at the seam in the corner. The light bulb assemblies are behind that.
On your 1989 MERCURY TOPAZ, the BACK-UP LIGHT SWITCH is: UNDER HOOD, DRIVER SIDE, LOWER ENGINE AREA, MOUNTED ON TOP OF TRANSMISSION
Get the alternator checked before your battery goes dead.
Scrap yard, plenty there.
The light burned and couldnt show
Check engine light? You have to plug the computer in to read the faults. If you do not have one, then most good service shops have, and for a small fee will help you.
There is no change transmission lamp.
yellow topaz November Gemstone: Citrine, Yellow Topaz November Birthstone Color: Yellow
You need an oil change.
Burned out bulb?
First what is wrong with you headlight switch on your 93 topaz.
Is there a gauge panel dimmer wheel switch ? Try rotating it , it may be rotated all the way in one direction
bulb(s)