Bad Contractors One of the most common problems with all winches including Warn winches is that the contractor can often go bad. The contractor is a small black box that holds the relay switches that controls when power is sent to winch. WARN 39967 Replacement 12V Solenoid Control for XD9000i Winch. WARN Replacement 12V Solenoid Control for M8274 Winch. WARN Control Pack 12volt DC- Large Frame Replacement for WARN M12000 Winch. $292.99. WARN Replacement 24V Control Housing with Harness/Plug for M8274 24V Winch. $182.99 The down side of an 8274 is that they sit up really high (16"), so they severely limit the air flow through a Wrangler's radiator. This is the one reason that I considered buying a low-profile winch instead of an 8274. I've seen some people with older CJ's sink their 8274's down between the frame rails to improve clearance. The wiring relays have 5 wires, the warn winch had a 5 pin remote. I've looked at the wiring diagram from slee for the relay board. I've looked at the wires coming from the remote bulkhead on the solenoid control box of the winch. Using a diagram of the warn long probe, I jumped the ground loop, and sorted out the power for winch in and winch out. I need a wiring schematic on a Warn M8000 winch. Ask Your Own Car Question. Wiring diagrams are included in the manual. JACUSTOMER-dqdbjjk1- : I was very excited to see the entire winch manual until I scrolled down to the solenoid wiring diagram. Search the history of over 357 billion web pages on the Internet. Medicine, Astronomy, Affixes And Others: An Account Of Verb Formation In Some Early Scientific Works. I have rewired from a solenoid box to the contactor box. The contactor box is kinda of a sealed unit deal it comes with all new leads already pre-installed. So it's super easy take the entire solenoid box off. Enstall the contactor box mount, and install the 3 heavy wires to the motor, f1,f2 ect, the small one to ground, and the hot to the battery. Find great dea