B2500 SE Regular Cab 2WD L4-2.5L VIN C (1998)
1. Measure the resistance between the multi-function switch terminals.
If the resistances are as specified, the multi-function switch is OK. Return the multi-function switch to the vehicle. Test the system for normal
operation.
If the resistances are not as specified, replace the multi-function switch. Test the system for normal operation.