The correct method is #86 to the accessory output of remote starter and first accessory wire in the vehicle. #85 to the ground out when running wire of the remote start #30 to the second accessory wire in the vehicle #87 to the fused side of the remote starter's main power wire.. Connecting Additional Devices to the Remote Turn On Wire Relay Wiring Diagram Using a 30 amp SPDT relay, connect terminal #87 to constant 12 volts positive with a fuse rated to the sum of the additional accessories you've added and the components you need to turn on.
Relay Wiring for Accessory Control Using a 30 amp SPDT relay, connect it to power and ground to turn accessories on remotely via the head unit's remote turn on wire. Terminal #87 is connected to constant 12V power, #85 to ground, and #86 to the remote turn on wire. Terminal #30 is then connected to each accessory with its own fuse for protection.. ATTENTION: This wiring information is being provided free of charge and on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it by using a digital multimeter. GNU Industries, Inc. assumes no responsibility with regards to the accuracy or currency of this information.