LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Testing >> Brake Warning Alarm >> Alarm Inoperative

Alarm Inoperative

  1. Connect test light between Pink/Black wire at alarm connector and ground. If test light does not light, repair open in Pink/Black wire between alarm and fuse block. If test light comes on, connect jumper between Black wire (Black/Yellow on Van) of alarm connector and ground.
  2. If alarm does not sound, replace alarm. If alarm sounds, connect jumper between Black wire (Black/Yellow on Van) of delay module and ground. Delay module is located behind left side of dash. If alarm does not sound, repair open in Black wire (Black/Yellow on Van) between alarm connector and delay module connector. If alarm sounds, go to next step.
  3. Connect jumper between Tan wire (Light Green on Van) of hydro-boost pressure switch and ground. If alarm does not sound, repair open in Tan wire (Black/Yellow on Van) between hydro-boost pressure switch connector and delay module connector. If wiring is okay, replace delay module.
scientia non olet · About LEMON Manuals