Engine Temperature Sender ?

[S2Fan]

Hi all,

Haven't posted much over the years, but i'm trying to get my S2 up and running, and need some help please

I have a break in the lead leading to what I think is the temperature sender.



Assuming this is the temperature sender this is the lead -



As you can see it has broken right by the diode. With my very limited electrical knowledge, I believe that if I tried to solder it back to the wire then I am likely to blow the diode as there is no/very little metal coming out of it.

Assuming I am correct with what the part is, and I'm sure I will be corrected if not, can anyone tell me how to identify what the diode is, and more importantly source a new one.

Thank you
Adrian

[phillpot]

I can see no purpose to have a diode there?

More likely, in my opinion, to be a resistor to correct an incorrect temperature reading?

Electronics stuff isn't really my strong point but if you can make out the band colours there are charts to identify the resistance......


example.....
.

Edited by phillpot on Saturday 4th April 19:53

[phillpot]

Plan B: your sender unit has a brown band around it, try a green one and junk the resistor?


Might work, might not! ....... clicky


Plan C: join the wire back on without the resistor and see what the gauge reads compared to before?

[S2Fan]

Thank you. I have identified the colour bands and think (hope) I have ordered the correct one. I will also try the different sender advice.

Thanks again

[v8s4me]

When you get your new resistor use a small plastic tube to protect it and the soldered joints. The body of an old Biro is perfect. Just remember to slide the "protective casing" over the longest part of the wire before you solder it all back the big black connector. When every thing is soldered, slide the tube over the resistor and seal the ends with epoxy. If you want to be really neat use some heat shrink to hide the old BIro

[GreenV8S]

I don't think the resister was standard and you may find you can eliminate it by using the right sensor, but if you do need it then the best way to strain relief it is to loop the wire around it i.e. fold the wire back on itself twice so that it runs past the resister, back through the resister and then past the resister again. This means the main run of the wire has no leverage on the rigid part of the resister.

[phillpot]

Slide it all inside an off cut of screenwash pipe, that'll take the strain of it

[S2Fan]

Thank you all for the advice. I've ordered the new sender and the diode. Will try the new sender on its own first, and if no joy will add the diode. Hopefully we will be back up and running soon!

[TVRees]

It's a resistor I believe, not a diode.
Resistors have colour bands, diodes do not.