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Old 06-01-2016, 01:34 PM   #1
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Starter silinoid

2000 harney renegade..took it on a road trip. On the way back it shut right down lost all ignition. Let it sit for 20 min. Flip key on and had power. Drove home. Next day found the relay was bad so I replaced it. 85amp 12v continuous power when ignition is on. Voltage is 12.8 both sides. My question is...Are these suppose to get hot?

I was told from.the dealer yes they are.

Thanks for your help


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Old 06-01-2016, 03:25 PM   #2
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The will get warm, but should not be extremely hot. If it is a starter solenoid, then it should not be active all the time, only when the starter is engaged. If it is a boost/charging solenoid that ties the battery banks together, then it will be active any time the ignition is on. The boost/charging solenoid needs to be of a type made specifically for continuous duty, most starter solenoids are not continuous duty.

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Old 06-01-2016, 03:28 PM   #3
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A starter solenoid will get warm when you start the engine but after that, when you release the key, no power will be going to it so it should not get hot.

Are you possibly talking about something else?
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Old 06-01-2016, 03:47 PM   #4
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It sounds more like a accessory solenoid that takes the load off the ignition switch. It will be active when the key is on to supply power to the engine. It will be warm while active.

A starter solenoid is a momentary solenoid that is only active when the key is turned to start.

Most battery combiner solenoids will have a 160 to 200 amp rating because it doubles as a boost solenoid and needs the high amps to start engines. They are also continuous duty.
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Old 06-01-2016, 06:07 PM   #5
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Thank you..so maybe it is called an accessory silinoid..after running the RV for 20 -30 min it is so hot you can't hold it in your hand.
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Old 06-01-2016, 06:13 PM   #6
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Did you buy a "continuous duty" solenoid or just what ever looked the same.
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Old 06-01-2016, 06:47 PM   #7
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Continuous Duty

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