I have the OPT7 led bar in red. I bought the Curt adapter, but opted for the 5 pin plug instead of the 4 pin. Then I took an old trailer plug - male end, and cut one connector off. I connected that to the reverse wire. Then I plugged it all into the 5 pin plug. Didn't have to tap in to the reverse wire anywhere.
That is what I did. I didn't have to drop the spare down. I pulled the 7-pin plug off the bumper connector, plugged it into one end of the harness, and plugged the other end of the harness into the bumper connector where the original plug was. I zip tied everything up do it stays hidden.
I bought this CURT 56584 wiring harness: https://smile.amazon.com/gp/product/B007EA6WQU/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1 It goes between the oem harness and the 7-way plug on the bumper. I plugged in the led bar 4-pin plug on one side and soldered a bullet connector to the reverse and plugged it in. Works great.
PhilB replied to th3r00st3r's topic in 2014-2018 Silverado & Sierra TroubleshootingYes, I have had that problem. The original one came off one time. I put it back and then one day I went to fill up and it was gone. I went to the local parts shop and bought a package of the same clips and put a new one in. Been fine ever since.
I was checking the lights on my bass boat trailer that I hadn't used in 10 years. I was having troubles with the running lights also. Checked grounds and lights and looked for cuts in the wires. Found nothing. Went to move the trailer when it was dark and all of the lights worked. I figured out that my light sensor for the auto headlights was keeping the running lights from coming on even though I used the switch for all lights on. I put a towel over the sensor and the lights would come on. Maybe you have a similar issue? Just a thought.
IIRC, I had my front bolts snug at first, then latched the lid to them. I made sure the latches closed completely. I folded up the cover on top of the front panel for weight. Then I loosened the bolts so that the lid would lay flat. I tightened the bolts in that position. If you're latches are releasing when you put a slight pressure on the lid to open, you may need to adjust the cables to allow more slack so that the latches close completely.
PhilB replied to Matt_P's topic in Wheels, Tires, & TPMSThis topic started at very timely time. I was researching replacement tires for my oem GY LS2. Michelin LTX M/S2 and Defender LTX M/S were top of my list. My LS2 had over 60K miles but still had 6/32" tread left - that's 50%. But my wet traction was practically nil. I knew the wet traction wasn't the greatest, but I started having incidences of fishtailing when switching lanes on the interstate during wet road conditions. I checked out the local tire dealers for prices and checked online for tire reviews. Michelin had the $70 rebate going and some tire dealers displayed that, other had $70 off a set of 4 tires. I called my Chevy dealer for a quote. They quoted me a lower price for a set of 4 Michelin Defender LTXs and there was a $70 rebate through GM (goes thru Nov 2016). So I had my dealership do it. I've had the new tires on for just over a week. So far the ride has been smooth - very comparable to the LS2. Gas mileage seems to be in the same ballpark too. Wet traction is greatly improved. Have driven in some heavy rain this past week and traction has been great. I'm looking forward to the snow this winter to see how the tires handle that.
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