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Old 03-16-2013, 05:15 PM   #57
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well, thats the beauty of the Mopar setup... it literally splits the main harness and uses isolation relays to switch between the 2 voltage source. If Mopar is designing their RV harness this way, they must have a reason to do so... (note: backfeeding)
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Old 03-16-2013, 05:26 PM   #58
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Originally Posted by Redridge View Post
well, thats the beauty of the Mopar setup... it literally splits the main harness and uses isolation relays to switch between the 2 voltage source. If Mopar is designing their RV harness this way, they must have a reason to do so... (note: backfeeding)
Yes, except I was using relays back in the 1950s. Relays are dead now. They use SCRs, diodes, resistors, capacitors, and transistors in micro circuits. I just think people are trying to make this MH to toad hookup way too complicated.
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Old 03-16-2013, 05:27 PM   #59
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This is quote is taken from another thread here called "Cooltech Wiring Harness for Jeep TOAD" and was said to be a responce from Cooltech.

Quote:
"ALL previous model Jeeps prior to the introduction of the JK Wrangler from 2007-current would require diodes. The JK utilizes a CAN-BUS electrical system. When you "flip a switch" in the JK, more often than not, you are not completing a circuit (through a relay). In fact, when you flip a switch, you are sending a request signal into the car's CAN BUS system. The Power Distribution Module is invoked with the task of making the connection. This combination of CAN-BUS and the power distribution box eliminate traditional feedback - as long as the system is wired properly. We have several hundred tow harnesses on the road and I would venture to say we have the most popular Wrangler harness on the market. We wouldn't have this success if the system didn't work. Note that we also sell a solution for older model jeeps - 1996-2006 Wrangler TJ's. Rather than use diodes and "hack up" your OEM wiring, our solution uses separate bulb and sockets. This too is a popular solution - because it works.

Best regards,
Kendall end quote"
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Old 03-16-2013, 05:56 PM   #60
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Yes, except I was using relays back in the 1950s. Relays are dead now. They use SCRs, diodes, resistors, capacitors, and transistors in micro circuits. I just think people are trying to make this MH to toad hookup way too complicated.
Ummm, I dont think so. Relays are very much alive... none of those you speak of can replace the simple electro-mechanical device. Just look at how many relays are in any automobile, MH, jets etc.... they are even making electro-mechanical relays on a nano level... But yeah, I agree... they are making the toad hookup way complicated... the industry standards are in sad state.
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Old 03-16-2013, 07:38 PM   #61
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I do suspect you will have more failures in mechanical relays than in diodes. That is why auto manufactures plug in relays & solder in diodes.
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