Electrical Diagnosis 101

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06-24-2012, 12:29 AM

Rusty

Electrical Diagnosis 101

As mentioned in another thread, I had to replace the line/genset transfer switch.

Many times, the clues are subtle; being a marine engineer, I'm attuned to obscure symptoms. See if you can detect what allowed me to diagnose this switch as defective...

Rusty

MilSpec AMG 6.5L TD 230HP; built-to-order by Peninsular Engines: Hi-pop injectors, gear-driven camshaft, non-waste-gated, high-output turbo, 18:1 pistons. Fuel economy increased by 15-20%, power, WOW!

"StaRV II"

'94 28' Breakaway: MilSpec AMG 6.5L TD 230HP

Nelson and Chester, not-spoiled Golden Retrievers

Sometimes I think we're alone in the universe, and sometimes I think we're not.
In either case the idea is quite staggering. - Arthur C. Clarke

It was a woman who drove me to drink, and I've been searching thirty years to find her and thank her - W. C. Fields

06-24-2012, 06:48 AM

tom taylor

Duh but at least now I know what the transfer swich looks like. My 101 is just figuring out some of the components of the Barth. Got to crawl under mine today to reset breakers for genset and see what numbers are on the engine and what filters are used. My book has the info for a Yanmar and it has a Kubota 3 cyl engine.

06-24-2012, 07:27 AM

Moonbeam-Express

Looks like maybe the drain hole was drilled on the wrong side

Formerly: 1997 Barth Monarch
Now: 2000 BlueBird Wanderlodge 43' LXi Millennium Edition DD Series 60 500HP 3 stage Jake, Overbuilt bike lift with R1200GS BMW, followed by 2011 Jeep Wrangler Unlimited,
“I haven’t been everywhere, but it’s on my list.”

06-24-2012, 08:10 AM

Danny Z

Those 2 big holes in the sides let too much electricity escape.

'92 Barth Breakaway - 30'
5.9 Cummins (6B) 300+ HP
2000 Allison
Front entrance

06-24-2012, 05:17 PM

Steve VW

See! You let the smoke out of the wires! Those were big wires and carried lots of smoke...

9708-M0037-37MM-01
"98" Monarch 37
Spartan MM, 6 spd Allison
Cummins 8.3 325+ hp

06-24-2012, 09:34 PM

Tom & Loraine

Bounced around a bit untill it escaped through one of the holes.

11-07-2012, 12:54 AM

wally povajnuk

quote:
Originally posted by Rusty:
As mentioned in another thread, I had to replace the line/genset transfer switch.

Many times, the clues are subtle; being a marine engineer, I'm attuned to obscure symptoms. See if you can detect what allowed me to diagnose this switch as defective...

11-09-2012, 06:57 PM

Richard_Muise

You left it on the grill way too long. I like my switches rare.