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Home >> GMC >> 1996 >> Forward Control 4.3 W >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Generator & Regulator) >> Self-Diagnostic System >> DRB Test Functions >> DRB Volt/Ohmmeter Mode
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DRB Volt/Ohmmeter Mode

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. To access DRB volt/ohmmeter mode, connect Red volt/ohmmeter test lead to Red port, located on right-top side of DRB.
  2. To place DRB in voltmeter mode, press VOLT/OHM key once. Touch test probe to connector or wire to be measured. Read voltage on DRB display. When voltage testing is complete, press VOLT/OHM key 3 times to exit voltmeter mode.
  3. To place DRB in ohmmeter mode, press VOLT/OHM key twice. Touch test probe to connector or wire to be measured. Read resistance to circuit ground on DRB display. When resistance testing is complete, press VOLT/OHM key twice to exit ohmmeter mode.