Pinpoint Test W: An Individual Reversing Lamp Is Inoperative

Reversing Lamps

Pinpoint Test W: An Individual Reversing Lamp Is Inoperative

Refer to Wiring Diagram Set 93, Reversing Lamps for schematic and connector information. Diagrams By Number

Normal Operation

When the reversing lamps relay is energized, voltage is routed to the reversing lamps through circuit CAT16 (GY/BN). Ground is provided to the reversing lamps through circuit GD120 (BK/GN).

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors
- Bulb holder



PINPOINT TEST W: AN INDIVIDUAL REVERSING LAMP IS INOPERATIVE

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

NOTE: Make sure the reversing lamp bulb is good before carrying out diagnostics.

W1-W2:

W2 Continued: