How does one (me) test to see if my rotary switch has gone bad?
Jeff
Testng Rotary Light Switch
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Re: Testng Rotary Light Switch
Is it in or out on the bench ??
If out, a jumper battery with "+" connected to the circuit breaker with a jumper wire and an ice pick test light connected to the battery "-" post would work.
You are interested in two things.
Does it have power to the switch and is there power coming out to the correct terminals in the different switch positions.
This can be checked with a test light or a volt meter.
If the switch has failed completely, the circuit breaker on the back would be suspect. This is pretty common.
The on board circuit breaker can be removed and an in-line circuit breaker, of the same amperage, installed in the wire to the light switch, from the amp gauge.
If you are getting power through the breaker but nothing out, an internal problem with the switch itself would be likely.
If out, a jumper battery with "+" connected to the circuit breaker with a jumper wire and an ice pick test light connected to the battery "-" post would work.
You are interested in two things.
Does it have power to the switch and is there power coming out to the correct terminals in the different switch positions.
This can be checked with a test light or a volt meter.
If the switch has failed completely, the circuit breaker on the back would be suspect. This is pretty common.
The on board circuit breaker can be removed and an in-line circuit breaker, of the same amperage, installed in the wire to the light switch, from the amp gauge.
If you are getting power through the breaker but nothing out, an internal problem with the switch itself would be likely.
Mike Wolford
CJ-2A
VEP GPW
Comm./Inst. SEL
AOPA ( 50 yrs)
EAA ( 49 yrs)
4th Inf. Div. - 5th Inf. Div. - 2nd Armor Div. - CIB
CJ-2A
VEP GPW
Comm./Inst. SEL
AOPA ( 50 yrs)
EAA ( 49 yrs)
4th Inf. Div. - 5th Inf. Div. - 2nd Armor Div. - CIB
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Re: Testng Rotary Light Switch
One can pry the crimp gently back around the unit and expose the inside. You will find a small ball bearing and spring which ride on a copper plate with indents for each lighting position. Sometimes all the switch needs is for the contact plate to be cleaned of rust and corrosion and your switch will work fine.
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Re: Testng Rotary Light Switch
I suspect the circuit braker failed. Thank you.Wolfman wrote: ↑Fri Mar 16, 2018 6:10 amIs it in or out on the bench ??
If out, a jumper battery with "+" connected to the circuit breaker with a jumper wire and an ice pick test light connected to the battery "-" post would work.
You are interested in two things.
Does it have power to the switch and is there power coming out to the correct terminals in the different switch positions.
This can be checked with a test light or a volt meter.
If the switch has failed completely, the circuit breaker on the back would be suspect. This is pretty common.
The on board circuit breaker can be removed and an in-line circuit breaker, of the same amperage, installed in the wire to the light switch, from the amp gauge.
If you are getting power through the breaker but nothing out, an internal problem with the switch itself would be likely.
Jeff
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- G-Lieutenant General
- Posts: 6878
- Joined: Sat Jan 12, 2008 5:25 am
- Location: Tipton,In.
Re: Testng Rotary Light Switch
Your Welcome !
Mike Wolford
CJ-2A
VEP GPW
Comm./Inst. SEL
AOPA ( 50 yrs)
EAA ( 49 yrs)
4th Inf. Div. - 5th Inf. Div. - 2nd Armor Div. - CIB
CJ-2A
VEP GPW
Comm./Inst. SEL
AOPA ( 50 yrs)
EAA ( 49 yrs)
4th Inf. Div. - 5th Inf. Div. - 2nd Armor Div. - CIB
- HQ327
- Sergeant Major of the Gee
- Posts: 427
- Joined: Sun Jul 18, 2004 7:26 pm
- Location: Fayetteville, NC
Re: Testng Rotary Light Switch
Seems like no one has any of the circuit breakers in stock.
Can (could) a 30 Amp fused be used in lieu of the circuit breaker?
Jeff
Can (could) a 30 Amp fused be used in lieu of the circuit breaker?
Jeff
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