Go to the WFCO (World Family Company) web site and load the trouble shooting for the WF-8955 power center. The WFCO is the most common converter charger used by Thor in recent years.
With the converter on check the voltage output at the power center. These will be the large wires coming from the charger/converter going to to the 12 volt fuse panel. It should read 13.5-14.2 volts. If that good, it is NOT your converter charger. Next with the converter charger on find the battery charging cable in the battery compartment. It will be a fused #6 cable. Disconnect it and check the voltage. It should read 13.5 to 14.2 volts. If it is about 1.6 volts you have a bad battery charging relay.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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