Do you recall whether it was a 5 or a 9-pin relay? On Fri, Mar 10, 2023, 10:14 AM Jim Cathey <jim.cathey...@gmail.com> wrote:
> > The '85 is different - has an over voltage protection relay PN > 2015400845. > > Interesting that it's a 201 part, in a 126. My last 107 had a 126 part > for that. > My notes from it, in 2007: > > I then pulled the overvoltage protection relay and brought it inside for > a look-see. > > (B) 89 71 24 > 10 M 81 > (M) 126 540 47 45 > 12V > 10A > Made in W-Germany > > It's cleverly put together: the red fuse cover snaps off, then the red > fuse cover base slides out from under the prongs. That unlocks the > shell from the body and it slides right off. Inside, I found the > expected relay, a heat-sinked power Zener diode, and a resistor. There > were PCB holes for considerably more components, unstuffed. The board > didn't look bad. The solder flux was all crusty, but that's irrelevant. > I put it on the bench power supply and found that it 'popped' at > 25 V. The Zener gets warm when it trips. > > Anyway, I brushed it off, resoldered the joints, and burnished the pins. > It reassembled easily, and continued to work on the bench. I put it > back in the car. I don't expect anything to come of this, > > -- Jim > > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
