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Old 06-16-2009, 02:40 PM   #1
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Hello, I have a tester to test my truck RV connection to see if all my lights are working. But do they make a tester to check the RV connection?
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Old 06-17-2009, 04:50 PM   #2
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Sort of.. Use a multi-meter on OHMS, If the connector is a "Flat 4" then he odd pin is Ground and gets the negetive probe (note, not all meters use black as negative when in OHMS mode, Mine does, but you may need to test yours)

The other 3 should show something other than open circuit, in fact just a few ohms on the lights, I'm not sure on brakes (No brakes on a flat 4)

If it's a round 7 pin you can either hook the negative lead to the ground pin, (you will have to look that up yourself) or to the chassis, again, all pins that are used should show something other than "open circuit"
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Old 06-18-2009, 07:10 AM   #3
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You can use a 7 pin to 4 pin adapter and your 4 pin truck tester. Won't tell you anything about the brakes or other "extra" pins, but will still report the stop/tail/turn light status.
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
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Old 06-19-2009, 02:42 PM   #4
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Yes. There is a product sold that you plug your RV into, it tests every 12V circuit in the umbilical cord.
2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA." My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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