Good Sam Club Open Roads Forum: Class C Motorhomes: Battery compartment connections
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 > Battery compartment connections

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gnikregrub

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Posted: 12/01/20 12:59pm Link  |  Quote  |  Print  |  Notify Moderator

Can anyone help me identify what the positive (red) battery cable is connected to on the chassis. (see attachment)
[image]

* This post was edited 12/02/20 03:44am by an administrator/moderator *

ndrorder

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Posted: 12/01/20 01:26pm Link  |  Quote  |  Print  |  Notify Moderator

Are you worried that the cable with the red tape is connected to the frame? My Four Winds has a similar arrangement and that lug is electrically isolated from the frame. From that lug, the +ve is distributed to the isolation relay and the disconnect relay and to the switches that activate them. A continuity check between the lug and the frame would prove isolation.


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MDKMDK

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Posted: 12/01/20 01:57pm Link  |  Quote  |  Print  |  Notify Moderator

Insufficient input data for efficient analysis/diagnosis, or to suggest reliable resolutions/answers/advice.
The most common answer is, a positive (+) battery terminal.


Mike.
2018 (2017 Sprinter Cab Chassis) Navion24V + 2016 Wrangler JKU (sold @ ????)
2016 Sunstar 26HE, V10, 3V, 6 Speed (sold @ 4600 miles)
2002 Roadtrek C190P (sold @ 315,000kms)

DrewE

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Posted: 12/01/20 03:54pm Link  |  Quote  |  Print  |  Notify Moderator

The only way to know for sure is to trace the wire back to whatever it connects to. Most common would probably be much as ndorder describes: it goes to the battery isolation (continuous duty) relay, the house battery disconnect (latching) relay, and the generator's 12V power connection. That said, there are many variations in the exact details.





Tom_M

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Posted: 12/02/20 06:19am Link  |  Quote  |  Print  |  Notify Moderator

Plug into shore power or start your generator then use a volt meter to check the cables. Make sure cables are not shorting before starting the test.


Tom
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bobndot

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Posted: 12/02/20 06:58am Link  |  Quote  |  Print  |  Notify Moderator

I too was a little confused when the OP used the term 'chassis' which means 'ground' to me. Here is a related link with interesting info a pics of a members setup. Its just for general related info.

https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/28895570/print/true.cfm

gnikregrub

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Posted: 12/02/20 07:48am Link  |  Quote  |  Print  |  Notify Moderator

Thanks All. I am concluding that the red positive battery cable is not connected to the frame (of course) and instead an insulated junction post as ndorder and others are pointing out.

Thanks as well for the tips to validate this conclusion.

Here is a closer up image in case it helps others down the road.

[image]

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