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General Discussion of preventative/corrective maintenance and other technical issues regarding your coach that are not covered in other Mechanic's Corner categories (ex. refrigerators, water heaters, and compressors).

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  #1  
Old 06-10-2019
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Default What is this relay for

In the lower front load center on my PT there is a clear cased relay, lower center of the area. Does anyone know what it controls?


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Old 06-10-2019
Captain Fred Captain Fred is offline
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I have the same relay in the very rear compartment over the head of the bed in my 1987FCSB. No idea what it does yet.
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Old 06-10-2019
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According to my wiring schematics it controls landing lights.
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Old 06-10-2019
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Up front it could be the roof spot light control.
In the rear bedroom it is the emergency all the outside lights turn on.
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Old 06-10-2019
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Quote:
Originally Posted by Bill Pape View Post
Up front it could be the roof spot light control.
In the rear bedroom it is the emergency all the outside lights turn on.
Not the spot lights. that is in the front overhead.
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Old 06-10-2019
K Ridley K Ridley is offline
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I believe that is the step relay.
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Old 06-11-2019
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Two more possibilities - Chassis Heat? Stereo system - amps?
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Old 06-11-2019
Captain Fred Captain Fred is offline
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The numbers on the wires on mine include #21, 22 and 23 which according to the schematic are outside lighting. Didn't have time last night to check further.
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Old 06-11-2019
LDM680 LDM680 is offline
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Gardner:


Try Relay 37 on the attached drawing of the step controls.
Attached Files
File Type: pdf Air Entry Step 3773033.pdf (510.7 KB, 16 views)
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Old 06-11-2019
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Quote:
Originally Posted by LDM680 View Post
Gardner:


Try Relay 37 on the attached drawing of the step controls.
Keven and Len get the prize. The relay and attached wires match the drawing perfectly.

It is the step relay.



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