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How to Install Delta Hood or Grille Bar Wiring Harness on your 97-18 Jeep Wrangler TJ, JK & JL

Installation Time

1 hours

Extreme Terrain
Shop Parts in this Guide


For JK - Remove (2) hood hinge bolts holding the hood on the driver side first and replace it with the driver's side aluminum arm using factory bolts. Remove (2) hood hinge bolts on the passenger side.

For TJ — Remove (1) hood hinge bolt (most forward) on the hood on the driver side first and replace it with the driver side aluminum arm (see photo) using the 1" bolt (provided). This bolt will connect the billet aluminum arm with the hinge through the most forward bolt hole in the arm. Apply a double stick tape next to the other bolt hole to provide an added support and hold. The unused back bolt hole on both arms can be plugged with the plastic plug (provided).

2 Attach black cross-bar to driver's side aluminum arm using (2) small hex bolts. (provided) Attach black cross-bar to passenger's side aluminum arm using (2) small hex bolts (provided), while holding the arm route the wire lead through the channel under the aluminum arm and secure to the hood using (2) factory bolts.

4 Lift the hood up and route the wire lead around the hinge and into the engine compartment. (See photo).

5. Install the relay in a close proximity to the battery. (See photo)

6. Connect black wire leading from relay to metal surface under the hood with a sheet metal screw (provided).

7. Route the blue (switch wire) alongside the fire wall to the driver's side and puncture through the lower rubber grommet on the driver's side (per photo) to get inside the passenger compartment.

8. Install the switch on the dash-board (left to the steering column) by snapping the side panel of the dash-board and drilling 1/2" hole in the dash-board. For best result use our Billet Aluminum Switch Plate I #05-2001-3X

9 Connect blue wire to the switch prong with lamp icon.

10. Connect the short red wire from the prong with icon on the switch to any "hot wire" using snap-lock (provided).

11 Connect the black wire leading from the switch to any grounded metal surface under the dash-board.

12. Remove the fuse from the harness (for safety) and connect the red leading from the relay to the positive post on the battery. Now insert the fuse back into the fuse holder.

You may now test your lights! HAPPY FOUR WHEELING!