under dash wireing

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basshunter62

Seaman Apprentice
Joined
Jan 4, 2010
Messages
34
hi all i have a 95 pro craft im trying to figure out the wireing i have 4 toggle switches nav/ancor wiring ,airator,bildge all working there is a tan wire w/blue tracer just hanging. i connected it to batt voltage and im getting a small draw not enugh to blow a fuse or make a dead short but somthing is drawing from this dose anybody have a wireing diagram or know what loan wire is for:confused:
 
Rocky_Road

Rocky_Road

Lieutenant Commander
Joined
Oct 8, 2008
Messages
1,798
Re: under dash wireing

basshunter62 said:
hi all i have a 95 pro craft im trying to figure out the wireing i have 4 toggle switches nav/ancor wiring ,airator,bildge all working there is a tan wire w/blue tracer just hanging. i connected it to batt voltage and im getting a small draw not enugh to blow a fuse or make a dead short but somthing is drawing from this dose anybody have a wireing diagram or know what loan wire is for:confused:
Click to expand...

Tan/blue wire is used for the engine alarm on my Mercruiser engine. I have this wire going to three places on the engine, and attaches to the warning buzzer under my dash.

Not all engines were ordered with the alarm system installed, but the wire is part of the wire loom (bundle) and can be used to install the alarms, if desired.

Happy boating!
 
Silvertip

Silvertip

Supreme Mariner
Joined
Sep 22, 2003
Messages
28,762
Re: under dash wireing

Arbitrarily connecting "unknown" wires to ground or +12 volts is a good way to destroy sometimes very expensive components. If you don't know what it's for, trace it. You may find that even in your car there are lots of unused wires because the accessory they are intended to work with is not on the vehicle. As was mentioned, it would be nice to know what it is you are working on. There are two wiring systems on a small boat. 1) the boat harness which is rigged by the boat manufacturer. 2) The engine harness which is provided by the engine/drive manufacturer.
 
E

ENSIGN

Lieutenant Junior Grade
Joined
Jun 21, 2009
Messages
1,179
Re: under dash wireing

Have seen some dashboards go up in smoke because someone figured(I'll just put it there)Read the previous replys and disconnect that wire until you know for sure what it is for. My$0.02
 
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