no such switch.
on your clutch pedal
There isn't one.
turn key off.
screwed into the transmission.
on brake pedal lever.
on your brake pedal lever.
screwed into front of transmission.
The safety neutral switch on a 1989 Nissan Pickup with an automatic transmission and a D-24 engine is located on the transaxle. The neutral switch will be found where the linkage attaches to the transaxle unit.
disconnect it from your brake pedal lever.
their is not one
The brake lights in your 1983 Nissan pickup truck are controlled by the brake light relay switch. When the brake light relay switch malfunctions the brake lights will stop working.