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Electrical Discussion of preventative/corrective maintenance and other technical issues regarding your coach's electrical system.

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  #1  
Old 4 Days Ago
lucaswillemse's Avatar
lucaswillemse lucaswillemse is offline
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Default Directional Signal Circuit WB42

I had a private email question about the directional signal circuit on my WB42.
I was not able to add pictures to my answer and I am posting them now. It is interesting that there is power on the flasher circuit all the time, it is hooked to continuous DC power. The relays K26 thru K33 are activated by the emergency flasher or directional signal switch, this causes the flasher to operate.
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Lucas Willemse
Paramount, CA
1995 WB 42
1980 FC Sold

Last edited by lucaswillemse; 4 Days Ago at 03:28 PM. Reason: Add info
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Old 4 Days Ago
Bubbarosa1 Bubbarosa1 is offline
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Thank you! This will help a lot.
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Curt Bowen
Chewelah, Washington
1995 42ft WB
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  #3  
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So which of those relays powers the side marker emergency flashers on the street side of the coach? Curb side and front and rear lights are working fine.
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Kip Henry
95 WB42 S-60
88 WB40 2010/14
Brooks, GA
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lucaswillemse lucaswillemse is offline
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Default Directional Relays

LH relays are K29, K31 and K33 for cornering light.
RH relays are K28, K30 and K32 for cornering light.
K27 LH and K26 RH are for the hazard light operation.
If you directional lights work properly. The left turn signal goes thru the K27 Normally Closed Contact before it goes to the signal relays K29 and K31 so K27 Normally Open Contact or the coil could be bad or not be getting a signal to energize
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Lucas Willemse
Paramount, CA
1995 WB 42
1980 FC Sold

Last edited by lucaswillemse; 4 Days Ago at 04:02 AM. Reason: Correct K30
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Thanks Lucas, I'll look at that tomorrow
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Kip Henry
95 WB42 S-60
88 WB40 2010/14
Brooks, GA
Kip Cindy & Cody
678-523-7920
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  #6  
Old 3 Days Ago
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This is great info Lucas. My Front Driver side turn light is acting strange. It works as it should normally, but when headlamps are on aka corner lamps, the bright turn-light illuminates as well. This will help me trace the problem.
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Dave, Barb,& Dexter Ross
Rochester, MI
BIG Busta Bus
1997 WB43
1977 FC31 RB Sold

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Quote:
Originally Posted by lucaswillemse View Post
I had a private email question about the directional signal circuit on my WB42.
I was not able to add pictures to my answer and I am posting them now. It is interesting that there is power on the flasher circuit all the time, it is hooked to continuous DC power. The relays K26 thru K33 are activated by the emergency flasher or directional signal switch, this causes the flasher to operate.
The continuous power feed allows the hazard lights to flash without the ignition being on.
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John Wyatt
Titusville, Florida
1991 40' WLWB-WTB
Body Number F095567
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1991 40' WB ...From 2008 - Present
1984 ½ PT-36 .From 2000 - 2008
1973 FC-31 .....From 1991 - 2001

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