the high pressure switch is located on the back ,top of the compresssure and has a clip with two wires to it.to replace it you will have to drain the system.to install the switch you will need a snap ring tool .evacuate the system and recharge.the switch is around $21.00 AT AUTO ZONE.FIRST TO SEE IF IT IS BAD ,USE A PAPER CLIP OR WIRE TO JUMP THE LEAD SO U WANT WASTE MONEY..GOOD LUCK..
There is no inertia switch on the Chevy truck it runs from the ecm , oil pressure switch and relay.
The oil pressure switch is located at the back of the engine next to the distributor. Looking at it from the front of truck it will be right of distributor. Normally it can be changed without removing the distributor.
Need engine size.
The brake light switch relay for your 1997 Chevy truck is located beneath the drivers side dashboard. The brake light relay switch will be above the brake pedal.
Usually located on the transmission.
Inside the headlight switch.
The 1992 Nissan truck air-conditioner pressure switch is located in the fuse box. The fuse box can be found in the engine compartment.
There is no fuse for the headlights in that truck. The circuit is protected by a circuit breaker located inside the headlight switch.
It is behind the distributor on the engine block. Not easy to get to, but it can be done.
It is screewed into the top of the engine block right behind the distributor.
The backup light switch is generally located on the Transmission. If you would like to see one then follow the link to RockAuto.com and locate your Truck. Hope This Helps.
1. Bad pressure switch. 2. Bad pressure switch pigtail. 3. The system is low on freon.