NOTE: Models 123 & 143 do not include a fan control unit; skip to page 3 of instructions. 3a. (Model 111 only) Connect the fan wires to the control unit Now connect the fan motor wires to the control unit. Using blue female connectors provided, connect the red wire you attached to the fan motor wire in Step 2 to the "M+" terminal.. If the fan does not fit at this point, additional modifications or a different Flex-a-lite fan may be required. Page 3: Wiring Diagram Step 5: Mount the fan assembly to the radiator Look for at least four potential mounting points that are able to support the weight of the fan to attach the fan to the vehicle.
This Flex-A-Lite controller turns the electric. Perhaps one of the least understood parts of installing an electric fan: Installing and wiring the controller.. Step-by-step guide to wiring a Flex-a-Lite controller. Wiring a Flex-a-Lite controller is a relatively simple process that can be completed in a few steps. Here is a step-by-step guide to help you through the process: Step 1: Start by disconnecting the negative battery cable to ensure safety during the installation process.