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it is screwed into the side of the transmission on the front side of the van.
Remove license plate, dissconnect backup light wire, remove bolts to backup light, pull backup light sideways, reach hand to tail light, twist socket.
The 1988 Ford brake light switch does not adjust, replace it with a new one.
not a switch but it does have one if you over boost at about 12-14 psi.
In the 1988 Nissan the alternator, instrument panel, and backup lights shared a fuse. Before changing a fuse see if the backup lights work (have someone watch when you are in reverse). If the neutral start/backup light switch is broken internally, it can be blowing the fuse when you put the car in reverse.
One for brake lights, one for cruise control. If you hit the brakes when using cruise control, that second switch is what tells the control modules that the brake is being depressed.
Its the scrol bar to the left of the guages by the head light switch
The brake light switch is connected to the brake pedal and the brake linkage under the dash with a single bolt.
Look under the dash on the driver's side, half way down the brake pedal. When you depress the brake pedal, the pedal moves away from this switch, which allows the brake light pedal circuit to complete, and your brake lights come on. This brake light switch is always hot/on, as required by federal law, so that even with no key in the ignition, if you hit your brake pedal, the brake lights will come on.
It is on the front of the transmission case.
change light switch
There is no switch to activate or deactivate the brake lights on a 1988 Nissan. The brake lights automatically turn on any time the brakes are pressed.