12v power when plugged in
So we have a new Grand Design trlr. On this trlr, if the battery is at 75% on the panel and I plug it into our truck, the voltage doesn't change. Even after driving all day the voltage will not have ...
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I would get a volt meter or test light.
I would verify that your truck's power is getting to the junction box located at the end of the umbilical cord by the pin box. There could be a circuit breaker or fuse there.
Then check for wire from the umbilical cord connection to the battery in the 5er.
You need to verify the ground is getting through the system as well.
Has the trailer connector been used before? Check to insure that the dummy fuse has been replaced with a 30 amp fuse in the fuse block under the hood. You reading at the connector could just be induced voltage.
I would verify that your truck's power is getting to the junction box located at the end of the umbilical cord by the pin box. There could be a circuit breaker or fuse there.
Then check for wire from the umbilical cord connection to the battery in the 5er.
You need to verify the ground is getting through the system as well.
Has the trailer connector been used before? Check to insure that the dummy fuse has been replaced with a 30 amp fuse in the fuse block under the hood. You reading at the connector could just be induced voltage.
