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      05-04-2018, 05:23 AM   #73
david51
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Drives: bmw M3 F80
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Quote:
Originally Posted by sea_m235i View Post
Yeah I have it grounded to the factory harness ground so that should be fine. I grabbed the power wire and ground with the battery connected (not intentional) and got a nice little buzz so I'm assuming it's good there lol.

I have a signal wire running from the FZD. Even double checked the siren connections and all of the connections to the FZD.

Recoded the CAFD files to a different set that also ended in 503 (my I-step). No change.

Starting to run out of ideas other than a faulty signal wire or a bad siren
Hello
your red led flashes all the time or after arming