Id still like to see a true schematic of the GP relay. The one shown before is just a block diagram.

From what Ive seen there are many different models from MB for the GP relay. They all have several electrolytic capacitors and a couple of either transistors or triac type devises. Ive got several non working GP relays that I will be swapping parts in when it warms up enough.

Ive spoken with Hella and they will not release their OEM schematic. Had no luck with MB either.

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1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."