Flasher Relay

SteveinSLC · Post by **SteveinSLC** » Mon Mar 02, 2009 9:17 pm

I just replaced a bad flasher relay and within a few hours, the new relay is bad. Any clues as to where to look?

This is a US 1977 530i.

Thanks,

Steve

alotawatts · Post by **alotawatts** » Tue Mar 03, 2009 5:34 am

Just some ideas -
1. Relay is overloading from resistance/corrosion in circuits. Clean and brighten everything- fuses/contacts, all of the lightbulb socket contact tabs in the tail and side light housings. Also the the plugs/pin connectors that connect each light assembly to the main harnesses. These (especially the fronts) often overheat and get fixed with flakey splice/tape jobs. Same with grounds - clean - like the gang-ground in the trunk.
2. I had a non-Bosch hazard relay (don't remember the brand) that was very short lived. It had a transparent blue case.
3. Probably unlikely but - hazard switch ?

SteveinSLC · Post by **SteveinSLC** » Tue Mar 03, 2009 4:40 pm

Thanks, my son recently replaced the rear passenger tail light assembly and I am pretty sure that is where my problem is coming from.

I will let you know if I figure it out.

Anybody got flasher relays laying around?

1st 5er · Post by **1st 5er** » Wed Mar 04, 2009 10:30 pm

Try Sean "Techboy" in Lexington.

Firstfives.org

Flasher Relay

Flasher Relay

Thanks!