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Can Roadmaster Automatic Battery Disconnect be Used on Positive Terminal of 2014 Jeep Wrangler

Question:

Can roadmaster rm766 battery disconnect be used to disconnect neg side of battery. Jeep recommends disconnecting neg terminal on 2014 wrangler unlimited when flat towing veh. Would it make a difference if positive side is disconnected.

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Expert Reply:

The Roadmaster Automatic Battery Disconnect # RM-766 referenced in your question can absolutely be installed on your 2014 Jeep Wrangler Unlimited but it does need to be installed on the positive battery terminal.

As you mentioned, the manual for your Jeep recommends disconnecting the negative terminal when flat towing, which provides a bit of a contradiction with the instructions for the Roadmaster Battery Disconnect. This recommendation is present in a lot of vehicle owner's manuals and it simply has to do with safety when it comes to disconnecting the terminals on the battery. This may have been an issue on older batteries but it is not a problem at all on modern batteries used in vehicles including your Jeep Wrangler. Disconnecting the negative or positive battery cable will have the same result.

We have talked with Roadmaster regarding this in the past and you can be confident in knowing that there is not a safety or operational concern with using the kit on the positive terminal of your Jeep's battery.

expert reply by:
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Chris R

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