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Jan 11 14 7:09 AM

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How to Install PIAA lights on a Bumper, these are PIAA 540 driving

Tools/Materials
Ratchet set
Drill
1/8 drill bit
#10 sheet metal screw
Wire Cutter
Wire Stripper
Wire Crimper
½” Wire Loom
Zip Ties
Electrical Tape
Switch of your choice



A pic of the parts


Wire and connectors for the lights


The switch for the lights, this will be cut off later


Positive wire to power the lights, connects to battery terminal


Ground for the relay and the lights


The relay


Install the lights on the bumper


There is a hole near the battery, perfect for running the wires to the lights


The wires are secured, also I added ½” wire loom to the unprotected wires on the back of the lights, and from the plug to the plasic wire cover, I don’t understand why they left a gap from this side of the plug. The connectors are huge and white, I covered them with electrical tape to make them black and more waterproof.



The bracket for the grill provides a great place to tie up the loose wires



Drill a 1/8 hole to attached the relay


#10 Sheet metal screw fits perfect


Take out the ground bolt and bolt in the negative wires



Cut off the switch. Now the wires left that are attached to the relay; the black wire (ground) goes to the fender ground, the white wire is the positive from the switch to the relay. The black wire can be use as the wire for your switch ground or cut it off and use a ground in the cabin.


Run the white wire into the cabin through the firewall. Run the black if you are going to use it.


It comes out here under the driver side dash.


Connect the white wire to the battery terminal


Wire your switch, make sure you connect the white to the power out on the switch. The other black wire, can be cut off if you are going to ground out the switch within the cabin or you can use the wire to ground the switch to under the hood (where the other end is). It doesn’t matter which you choose.


Fuse Panel for switch wiring


Image of the wire Harness I noted for a member