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Over 11,000 Parts In Stock!

From floor mats to filters to complete engines, we carry the widest range of parts and accessories for your Land Rover you will find anywhere!

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Since 1970, we've helped more Land Rover owners enhance, modify or repair their vehicle than any other independent parts specialist. Quality products, superior service and a wealth of happy customers are the keys to our success. Getting you what you need, efficiently and effectively - it's what we do.

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Rover Resources Center

Instructions And Troubleshooting Trailer Wiring Kit for 1995-2002 Range Rover 4.0/4.6

Applies To:

Item: 9439B
Fits: Range Rover 4.0 (P38) | '95 - '02
Range Rover 4.6 (P38) | '95 - '02

5. Place wiring converter box alongside grommet hole on the floor of the access panel. Slip the trailer-end wiring from box through the previously cut slot in grommet. Next, snap grommet back into the grommet hole on inside floor of access panel. It is easiest to do this by reaching underneath the vehicle and around the inside corner of the bumper.

Grommet snapped in place with wires routed through slot
Grommet snapped in place with wires routed through slot (shown from underneath the vehicle).

6. Connect the harness box plug noted 'Tow Vehicle' (Note: For old-style device) to the plug you located in step 2 within the access panel area.

Converter box plug connected to vehicle plug
Converter box plug connected to vehicle plug.

7. Replace the access panel door.

8. Test the harness with your trailer. Be sure to test your taillights, braking lights, turn signals and flashers.

9. Attach your plug cap to protect the exterior wiring plug from corrosion and the elements when you are not using your trailer.


If your lights are not working properly, check the following:

  • First, check all plug fittings to ensure they are secure
  • Next, check your bulbs and replace any that are burnt out.
  • If your trailer lights are still not working properly, you will need to test your trailer wiring, plugs and lamp fittings with an automotive circuit tester (or have your mechanic do this) to identify and replace any faulty or shorted wires or trailer plugs.

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