I’m preparing to replace the otter switch because the PO bypassed it, but no relay was used. Instead, he ran a wire directly to the fans, so they’re on as soon as the car is started.
The mounted Lucas relay is still there and some wiring was connected, but it’s not in the circuit. I first tried to use the Lucas relay, but that brought no joy, so I used a Bosch relay I had. I wired it as per the CoolCats relay drawing (I grounded terminal 85 to bypass the otter switch). The fans worked after the relay was installed, and I considered the task successful, then by accident, the 85 terminal came loose from the relay, but the fans continued to run. With that said, I imagine connecting the 85 terminal to the otter switch would serve no purpose - or am I missing something? Any ideas?