Expert Answers about Freightliner FL-Series

• Parts Needed to Install a 7-Way Trailer Connector and Brake Controller on a 2000 Freightliner FL70
• In order to install a brake controller on your 2000 Freightliner FL70, you will need a few different parts. First, you will need a brake controller. The P3, # 90195, that you have referenced is a great controller. It has a lot of features including diagnostics and it can be used with electric over hydraulic brakes. Next, you will need the wiring to install the controller and the wiring to add a 7-Way. To add a 7-Way, you will first need to have a 4-Way trailer connector on the truck. If...
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• How to Install a Hopkins Brake Controller on a 2005 Freightliner Classic Semi Truck
• When using an electric brake controller on a vehicle that vehicle needs to have the appropriate 7-Way trailer connector. Semi-trucks have a different type of 7-Way than recreational 7-Ways. If the trailer plugs into a regular 7-Way blade style trailer connector then the truck will have to have one. If both the truck and trailer have matching 7-Ways then you would not need to change either connector. You will have to hardwire in a brake controller either way. On any of the Hopkins brake...
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• Installing a P3 Brake Controller on a 1991 Freightliner Truck
• There isn't a specific wiring diagram to install the P3 brake controller # 90195 on your 1991 Freightliner but I can tell you the functions of the wires. The white brake controller wire is ground and needs to go to the negative battery terminal. The black wire is for 12 volt power and goes to the positive battery terminal via a circuit breaker. For some extra wire and a circuit breaker you can use kit # 5506. The blue wire is output to the trailer brakes. The red wire could be a little...
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