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Old 03-06-2016, 02:10 PM   #51
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When you are hooked up to your TV and then to a reverse polarity connection the TV Batt.+ blows. unless there is a relays and the fuse is before the relays. Hope I not confuse you now?
In english please???? lol
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Old 03-06-2016, 02:10 PM   #52
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ohm meters usually have three ports to put the probe wires into and numerous settings on the dial. the wires would go into the positive and negative holes on the ohm meter and not the one that looks like a horse shoe then the tester would have to be set to the low dc position not ac but dc volts black negative and red positive on ohm meter and touch to battery for a second and see what the reading is ... then you would know how to set it for checking the truck ... may be easier though just to go to auto parts store and have it checked lol
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Old 03-06-2016, 02:12 PM   #53
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ohm meters usually have three ports to put the probe wires into and numerous settings on the dial. the wires would go into the positive and negative holes on the ohm meter and not the one that looks like a horse shoe then the tester would have to be set to the low dc position not ac but dc volts black negative and red positive on ohm meter and touch to battery for a second and see what the reading is ... then you would know how to set it for checking the truck ... may be easier though just to go to auto parts store and have it checked lol
I did check the battery with the OHM.....I set it to the 20 on the DCV and touched the red and black to the battery and it read -16. Yikes
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Old 03-06-2016, 02:13 PM   #54
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ok in English all 12 volt circuits on a trailer plug on your tv should be protected by a fuse which if a short in the wiring occurs it will blow the fuse instead of catching your vehicle on fire .... but we don't even know if that circuit was connected to your tv plug yet so that's the first thing to look at ... thus the test of that prong with vehicle ignition in the on position
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Old 03-06-2016, 02:15 PM   #55
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Old 03-06-2016, 02:15 PM   #56
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you can also use a regular aa or aaa battery you have around the house to check and see if the ohm meter is on the right setting ... it should read 1.5 volts
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Old 03-06-2016, 02:16 PM   #57
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black wire should be plugged into the common port
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Old 03-06-2016, 02:20 PM   #58
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you can also use a regular aa or aaa battery you have around the house to check and see if the ohm meter is on the right setting ... it should read 1.5 volts
what do I put the dial on to check aa batteries? Should the black be plugged into the com to check the trailer battery and aa batteries?
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Old 03-06-2016, 02:22 PM   #59
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I did check the battery with the OHM.....I set it to the 20 on the DCV and touched the red and black to the battery and it read -16. Yikes
Sounds like you had polarity reversed. Try red to positive and black to negative side.
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Old 03-06-2016, 02:24 PM   #60
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black wire should be plugged into the common port
x2.. didn't take good look at picture before i posted my last reply
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