For Late Built 1991 Vehicles

1. Turn the ignition key of the OFF position and disconnect the negative battery cable.

2. Remove the carpet from the right side of the luggage compartment along the wheel house and at the rear between the taillights.

3. Disconnect the 8-way connector clipped into the right side of the shelf panel just inboard of the right deck lid hinge.

4. Disconnect the black 2-way connector just to the left of the trunk lamp near the center of the shelf panel.

5. Connect the trailer tow harness to the 8-way and the 2-way connectors of the vehicle harness.

Figure 3:

6. Drill a 1/8" hole in the package shelf near the trunk lamp, being careful not to pierce the interior trim. Attach ground wire to the shelf with the screw provided.

7. Secure the trailer tow harness to the package shelf harness with tie straps and route the harness along the right side of the trunk as shown in Figure 3. Secure the harness as shown with tie straps.

Figure 4:

8. Disconnect the 4-way connectors behind each taillight. Continuing to route the harness rearward on the right side. Connect both vehicle 4-ways to the trailer tow harness 4-ways.

9. Remove the carpet and cover for the spare tire compartment.

10. Using a 3/4" hole saw or frame punch, make a hole in the vertical wall of the spare tire compartment as shown in Figure 4. Coat the bare edge of the hole with a zinc based or epoxy chromate primer.


11. Push the unterminated end of the harness through the hole and seat the grommet. Route the harness under the vehicle, in a manner that will make it the least susceptible to damage, to the point where the trailer hook up will be made.

NOTE: IF THERE IS A REQUIREMENT FOR BACKUP LIGHTS ON THE TRAILER BEING USED, THE HARNESS HAS A PROVISION FOR THE LIGHTS. THE VIOLET WIRE CONTAINS THE BACKUP FEED.

12. Trailer wiring:

- Determine the type of connector to be used.

- Determine the function of each trailer wire.

- Be sure the vehicle and trailer wire functions are the same before the connections are made. The connections made to the unterminated end of the harness should be soldered and insulated with heat shrink tube.

13. Connect the negative battery cable and perform a functional check of trailer lights.


14. Install the spare tire cover and carpet.


TRAILER TOW WIRING FUNCTION (Late Built Vehicles) COLOR

Taillights, License Lamp & Side Markers Brown
Left Stop & Turn Signals Yellow
Ground Black
Right Stop & Turn Signal Dark Green
Backup Signal Violet