I looked for the activation wire and wasnt able to locate it maybe it was cut i don't know its tough getting information on it from gm i bough Whelen plug and play flasher just waiting for information on where else to look for these wires under dash! Where were your activation wires in your impala a...

Thanks for the help ill just have to look harder for those wires then! its hasn't been easy getting info for this flasher and whelen had no clue about any activation wire needed.

I read in one of the forums that the wire your speaking of was for factory headlight and taillight flasher install I tried looking for that wire was unable to locate wire im honestly lost people say to buy whelen ssfposi6 product if it wasn't installed from factory and others say for aftermarket pro...

Well thanks for the help ill took them up!

I recently bought Whelen headlight taillight flasher for my 2009 chevy Tahoe ssv which is a police package vehicle I,m having problems finding information on how to activate ssfposi6 which is a plug and play unit I talked to whelen and was advised it will work with my vehicle Unit plugs into my harn...

I need help installing whelen flasher ssfposi6 plug and play flasher for my 2009 chevy Tahoe SSV. It plugs into my harness but do not know how to activate it I was told the BCM communicated to the flasher but still need a trigger wire and no trigger wire found under dash! Called whelen product suppo...