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Dodge RAM 50 4WD L4-143 23L DSL Turbo Repair Manuals

Transmission and Drivetrain > < Glow Plug Relay|Locations
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Glow Plug Relay: Testing and Inspection

Fig. 34 Quick Glow System glow plug

GLOW PLUG

    Check resistance between glow plug terminal and body, resistance should be 0.1 ohm at 68°F.

Fig. 35 Glow plug relay terminal identification

GLOW PLUG RELAY

    Connect 6 volt power source to relay coil terminal and check for continuity between relay B terminals. Continuity should exist, if not, replace relay.

Fig. 36 Quick Glow System dropping resistor

DROPPING RESISTOR

    Connect ohmmeter between dropping resistor terminals and note reading. Resistance should be 130M-ohms.

Transmission and Drivetrain > < Glow Plug Relay|Locations