RAM 1500 Van V8-5.2L CNG VIN T (1999)
Wiper Switch: Testing and Inspection
The wiper switch and washer switch are integral to the multi-function switch. See Wiper System and/or Washer System in the Diagnosis and Testing
before testing the multi-function switch.
WARNING: ON VEHICLES EQUIPPED WITH AN AIRBAG, REFER TO AIR BAGS AND SEAT BELTS/AIR BAGS BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE.
FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE
PERSONAL INJURY.
1. Disconnect and isolate the battery negative cable. Unplug the steering column wire harness connector.
Wiper Switch and Washer Switch Continuity
2. Using an ohmmeter, perform the switch continuity checks at the steering column half of the steering column wire harness connector terminals as
shown in the Wiper Switch and Washer Switch Continuity chart.
3. If the wiper switch or the washer switch fails any of the continuity checks, repair the open circuit in the steering column wire harness or replace the
faulty multi-function switch assembly as required. Refer to Turn Signal Switch and Hazard Warning Switch in the Replacement of Turn Signal and
Hazard Warning Systems for the multi-function switch service procedures. If the switches are OK, repair the wiper system and/or washer system
wire harness circuits as required.
