Detail: Looking for cab heater control wiring diagram for an 03 kenworth
Solution: Hi, a 6ya Mechanic can help you resolve that issue over the phone in a minute or two. Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US. click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need. Goodluck! , If its raw fuel fumes check for fuel leaks on top of the motor. If its exhaust fumes you probably have an exhaust leak on the cross pipe at the rear of motor over the transmission. Take a telescoping mirror and flash light have a look. Might even slide under neath and take a peak as well. Make sure wheels are chocked with something first. , It all depends on the instructions that come with your brake controller. In 1991, the wiring diagrams published by the manufacturer were not real good at indicating locations of things. For most brake controllers, you only need to use the output side of the brake lamp switch, a direct battery positive circuit (Which would be best to run directly to the battery with an inline fuse), an "ignition" hot wire (which there is probably a connector in the underdash fuse block that is marked "fused Ignition" - there should be one right next to fuse # 14). And the wire that must be run to the back of the vehicle to the trailer connector. It is really very simple and you should not need wiring diagrams to figure it out...just the instructions with your controller. , I am sorry but fixya has no wiring diagrams. The reason is that they are copyrighted and not free to share on line.