2006 Dodge and Ram Sprinter 3500 L5-2.7L DSL TurboFACTORY OEM SERVICE PROCEDURE

Diode Replacement

REMOVAL
1. Disconnect the battery.
2. Locate the diode in the harness, and remove the protective covering.

Fig.13 Diode Identification:

Factory service manual diagram



3. Remove the diode from the harness, pay attention to the current flow direction (Fig. 13).

INSTALLATION
1. Remove the insulation from the wires in the harness. Only remove enough insulation to solder in the new diode.
2. Install the new diode in the harness, making sure current flow is correct. If necessary, refer to the appropriate wiring diagram for current flow (Fig. 13).
3. Solder the connection together using rosin core type solder only Do not use acid core solder.
4. Tape the diode to the harness using electrical tape. Make sure the diode is completely sealed from the elements.
5. Re-connect the battery and test affected systems.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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