Need Help! No voltage to stereo ground wire

[Mr_T]

lol. ok thanks will check that out. Is there anything common to both the power to head unit and blower? Both stopped working at the same time.

[chpthril]

No, nothing in common other then the battery, between the blower and stereo.

What year and model boat?

[Mr_T]

Hey Mike - I am going to test the power supply from the ignition key switch tomorrow like you suggested but i have another question. Would the power to the blower and head unit go through the TT unit? They usually come on automatically without having to turn the ignition on I just have the button to power the TT pressed on. The TT unit powers up o would that confirm there is ACC power to the TT unit but not from the TT unit to the blower and head unit? Sorry if I'm not making sense ... new to this.

RECAP - 2014 Tige Z3
- No power to head unit, bilge pump and blower.
- head unit yellow wire has 12v
- no power to head unit red
- both glass fuses at back of head unit are good.
- blower fuse at breaker panel is good.
- inline blower fuse under dash is good.
- manual blower switch under dash does not turn on blower
- manual bilge switch under dash does not turn on bilge