HUMVEE HMMWV MILITARY TRUCK HUMMER H1 REVERSE BACK UP LIGHT KIT For Sale

Product DescriptionHMMWV HUMMER H1 REVERSE LIGHT SWITCH
Most military HMMWVs do not have back-up lights, but the ambulance versions do. The two-litter soft-top ambulance, which has a soft rear cover similar to the one on my truck, has a pair of back-up lights mounted on brackets under the tailgate. Hard-top ambulances mount the lights in cutouts in the ambulance body. The ambulances use different wiring harnesses that have the extra wires for the backup lights and switch. Luckily, the shift lever housing in the basic trucks includes a threaded hole for mounting the backup light switch used in the ambulances.

I ordered the lights and brackets used in the two-litter soft-top HMMWV ambulance, as well as the backup light switch (not cheap!), and guessed where to mount them based on a scanned picture of one of the ambulances which another collector sent to me. The mounting holes for the brackets were not already present, so I needed to drill some holes in the horizontal lip at the lower rear edge of my truck’s body.

The rubber boot around the shift lever housing should have a nipple around the neutral start switch, and another sealed nipple where the backup light switch goes. It will be necessary to remove the shift lever housing in order to get the boot off and install the switch. Be very careful, because the boot will probably be firmly stuck to the body, and it’s thin and tears easily. I tore mine and needed to replace it, and it is not cheap! It’s a big pain in the butt to remove and install the shift lever housing because of the contortions necessary to reach the lock nuts under the body through the engine access cover. I decided to ream the mounting holes in the body out and install 1/4″ rivnuts, so it will be a lot easier to remove the housing in the future. You may need to cut off the end of the nipple for the reverse switch, but my boot was the ambulance version, with the nipple end already cut off.

I had to make a separate wiring harness for the backup light switch. I did not want to cut into my wiring harness, and I wanted the blackout lighting system to continue to function properly. In ambulances, the backup lights derive power from the same electrical net that powers the horn (since the horn is shut off in blackout mode in a HMMWV), so I simply tapped my backup light power from the horn at the front of the truck. I used SRML wire, and covered it with braided polyethylene tubing. This time, instead of using a pre-made “Y” adapter, I built my own Y adapter into the end of the front wire. I spliced the two short leads with connectors to the longer lead with a special butt splice which is made for connecting a large wire to a small wire, or two wires to one wire of the same gauge.I covered the splice with adhesive-lined heat-shrink tubing. I used the same technique to make the “Y” where the two backup light leads and the long wire from the switch join together. Each backup light has its own ground wire connected to the grounded lug on the nearest marker light. I routed the long wires along the existing wiring harness (that wasn’t easy!), and secured it to the existing harness with black UV-resistant cable ties.

PARTS LIST REVERSE LIGHT SWITCH1S5153,57431591EACHPACKORD CONNECTORS 10 EACH MALE AND FEMALEREVERSE LIGHT BRACKETS 2 EACHREVERSE LIGHTS 2 EACK Prestolite Wire For Military Vehicles, 14 AWG, M13486 100FTALL ITEMS LISTED SEPERATE IN STORE

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