Post
Tue Nov 26, 2019 7:07 pm
I've never looked inside one either, so I'm also going by what I can see in the pic.
The thing on the far side looks like a bi metal thermal trip, similar to the one in the resistor pack for the front heater/demister fan. These are normally, but not necessarily, self resetting when they cool down.
BUT there's another component in your pic. which I think post dates your car. The thing that looks like a bullet with wires at each end is a one shot, non resetable, thermal trip, which, I think, wasn't in production when your car was made. I'm wondering if the bi metal trip has gone wrong, and someone has bypassed it, but added the 'bullet' trip to maintain safety. These 'bullet' trips are readily available, in dozens of different trip temperatures, and the temp. for yours should be written on it in degrees Celsius.
If yours is blown it will measure open circuit with a meter, or short circuit if it is good.
...ideally like to get it going but not essential. Ive taken it apart and all looks good inside,(although very crude design but probably effective enough), it has power getting across the elements. I guess the small contact strip in there is an overheat device? .....any ideas...looking on the OEM parts website its NLA.
