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Search took 0.00 seconds. Search: Posts Made By: Doodlebug

Forum: Marine Electronics

30-07-2019, 21:09

Replies: 7

Trimming VHF coax

Views: 899

Posted By Doodlebug

Re: Trimming VHF coax

Before anyone can answer your question correctly we need to know which antenna your asking about. Some VHF marine antenna use a tune length of coax, other do not and can be shorten. I can’t remenber...

Forum: Electrical: Batteries, Generators & Solar

03-08-2018, 19:15

Replies: 69

Stray current in marina

Views: 17,047

Posted By Doodlebug

Re: Stray current in marina

In order for boat #1 to inject DC current into boat #2 and #3 boat #1 must be connected to the shore power to complete the circuit.

Forum: Electrical: Batteries, Generators & Solar

07-10-2016, 12:28

Replies: 34

Reference Cell Test Results, Help to Determin Resolution

Views: 4,287

Posted By Doodlebug

Re: Reference Cell Test Results, Help to Determin Resolution

I was waiting to find out what happen with the stray current problem in the bulge water?

When you say your moored, is there other boats around? Have you tested the water for stray AC and DC...

Forum: Electrical: Batteries, Generators & Solar

27-09-2016, 22:42

Replies: 34

Stray Current Isolation Testing?

Views: 15,581

Posted By Doodlebug

Re: Stray Current Isolation Testing?

It normal for a boats to have the battery switch turn off and still have DC power going to the bulge pumps. That would explain why your reading voltage in the bulge water when the battery switch is...

Forum: Electrical: Batteries, Generators & Solar

26-09-2016, 22:46

Replies: 34

Stray Current Isolation Testing?

Views: 15,581

Posted By Doodlebug

Re: Stray Current Isolation Testing?

I would think the Zinc fish should have been connected to the grounding bus bar not the shroud. Incase the shroud is not bounded or has a bad connection.

Forum: Electrical: Batteries, Generators & Solar

02-08-2016, 12:09

Replies: 6

Navigation Lights Troubleshooting

Views: 5,705

Posted By Doodlebug

Re: Navigation Lights Troubleshooting

If you do not have a wiring diagram or a as-built try to find a diagram on the net that looks like what you have. As much as I love my VOM a simple test light and 30 feet 12 ga wires will find...

Forum: Electrical: Batteries, Generators & Solar

27-06-2015, 23:23

Replies: 29

Steel boat ground

Views: 9,432

Posted By Doodlebug

Re: Steel boat ground

I'm going to go out on a limb and say if there is no current flowing to the hull through the coax cable you don't have to worry about it being grounded.

Most of the VHF marine antennas I know...

Showing results 1 to 7 of 7

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