Frequently Asked Question

CLASSIC - WBJR - Installed a WBjr and my SOC% just keeps going down.
Last Updated 4 years ago

#1 - You may have the Whizbang installed backwards, refer to the drawing below:

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#2 - You don't have the SHUNT wired correctly. NOTHING can connect to the BATTERY NEGATIVE terminal but the SHUNT.
Think of the SHUNT as a Toll Booth counting AMPs (cars), Every AMP (car) needs to go through the Toll Booth to be counted.  Any AMP that bypass the Toll Booth is not counted.  ANY Charger connected DIRECTLY to the Battery WILL NOT have its AMPs counted.

Your SOC% will be wrong, ENDAMPS won't work. See the partial drawing below. NO WIRES on the battery negative terminal except the SHUNT!

image

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