The coffee hasn't soaked my brain yet, but doesn't that simply imply that the fan relay is bad? Alright, I checked again and I got the ground signal but it isn't strong enough to switch the fan relay on. When I do it with a thicker wire, it does the click and the ventilator kicks in. It's the same ...

Clemens wrote: ↑22 Sep 2025, 23:49 The coffee hasn't soaked my brain yet, but doesn't that simply imply that the fan relay is bad?

It shouldn't be the source of the problem, since I've already replaced that. I have two of those here and the result is the same

Hey guys, I should have asked for help a long time ago. My radiator fan just isn't kicking in. The fan relay is getting the power and when I hardwire the fan with just the positive side of the battery and leave the ground as it is, it does kick in. It also kicks in when I ground one of the two rods ...