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Old May 9th, 2015, 07:27 AM
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Charles Galpin
'94 D90 ST, '63 SeriesIIA
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hazard/flasher relay buzzes

My hazard lights have not worked in a while and the relay just buzzes. So I bought a PRC8876 and just swapped it in, but it buzzes too. This is the left most relay behind the fuse block on a 94 NAS D90

Any suggestions on how to troubleshoot this one? My turn signals work fine.

Originally Posted by pendy
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Old May 9th, 2015, 07:51 AM
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Jason Lavender
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Bad ground or bad connection is guess. My ARB relay (long time ago) buzzed when it had a bad ground. My hazards on the 90 click/buzz because the pin connector on the back of the fuse panel has a poor connection...when I push the fuse in it stops (just haven't had a chance to pull it out and snug it up).

I'd start there and just poke around on the connectors or find the ground and check it.
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