Sporadic window lifters

Hi,

with a fresh battery my painful FH problem (sporadic failure of the FH / SD) was solved for a long time.

Suddenly, it appeared suddenly again and with full hardness and at some point the days went nothing.

Well, I've had the relay before when I was changing. Was nothing to see and switched fine when switching on. But still now out with it and cap off - see there directly on the actual relay a now completely contactless cold soldering site - after soldered - all typical problem causer "must" -> so far ok. So battery fully charged, relay back in and look - everything funzzt again great.

Maybe it'll help someone.