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Old 03-29-2019, 06:19 AM   #1
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testing switch

Wondering if someone has a video of how to test a rocker switch on a motor home. My switch has one black three white and one red wire not sure how to test this is an electric awning power switch on a 2013 sunseeker 3050s

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Old 03-29-2019, 07:05 AM   #2
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why, what is the symptom that makes you think something is wrong with it?

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Old 03-29-2019, 08:21 AM   #3
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Not sure of what version of awning switch you have but what the switch does is supply 12 volts and ground to the awning for one direction (extend) and reverses the 12 volts and ground to the awning for the other direction (retract). Some switches have the jumpers (metal straps) for this already installed and some switches require wire jumpers be added.
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Old 03-29-2019, 09:34 AM   #4
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Here's a schematic of how those switches work. As Bubbles said, Some have pre-installed straps and some use wire jumpers.

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Old 03-29-2019, 09:50 AM   #5
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See Bama Ramblers pic. Put your voltmeter across the top two connections to the motor. Rock the switch. You should see +12VDC when you push the rocker one way and -12VDC when you push it the other way, and 0VDC when it's in the middle.

This assumes you have battery voltage to the switch. Here's a video on measuring voltage:

You can do a continuity check by setting your meter to resistance and checking across each set of pairs of connections, but if you do this, you need to disconnect all the wiring from the switch so you don't measure the resistance back through the wires. ALSO - take a pic or write down which wire goes where before you remove them.

Here's a video on measuring resistance:

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Old 03-29-2019, 09:58 AM   #6
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As Rockfordroo pointed out selecting your meter to do resistance (ohms scale)- the ohms scale does not like voltage, and you will blow the internal fuse or fry the meter if it is a really cheap one.

Nice picture of the switch wiring Bama Rambler.

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