Electrical- 6 volts to tricolor?

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Fri, 08/02/2019 - 21:57
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IslandTime's picture
IslandTime
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Posts: 32
Electrical- 6 volts to tricolor?

On a recent overnighter I noticed - and the local CG reminded me- that my tricolor was not working. Checking the wiring and connections all seemed fine, but then put the voltmeter to the wires and I’m getting only 6 volts on the tricolor connections at the wiring harness at the base of the mast. This can’t be normal? Is it?  Any thoughts on why I’m seeing 6 volts? Anchor and steaming lights are getting 12. 
Really appreciate any ideas. Thanks. 

—

Jeff D
Island Time
'84 MK-I SR/FK #273
Kemah, TX

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Sat, 08/03/2019 - 16:52
LeslieTroyer's picture
LeslieTroyer
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My first guess is a bad ground, second guess would be a corroded/bad fitting some where. Test positive voltage wire against the ground at the batteries then the ground wire against the 12v lug at the battery - this will isolate where you need to look. Also if possible disconnect mast wires before testing, and check for 12v before doing above work - May be a high impedance short in mast wiring
—

Les & Trish Troyer
Mahalo 
Everett, WA
1983 C-36 Hull #0094
C-36 MK 1 Technical Editor. 

Commodore

 

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Sun, 08/04/2019 - 09:04
IslandTime's picture
IslandTime
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Joined: 12/18/17
Posts: 32

Thanks Les. I should have tried disconnecting everything from the terminal block at the mast base and tested each individually. Last night I noticed we have nothing working at the masthead - windex light, anchor, and tricolor, all out. The pita in all this is can’t see anything up there in daylight! 

—

Jeff D
Island Time
'84 MK-I SR/FK #273
Kemah, TX

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