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08-10-2011, 07:45 PM
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#1
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2 Rivet Member 
1972 29' Ambassador
Sherwood
, Oregon
Join Date: Jan 2008
Posts: 28
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Heater Won't Start
Hi. I have a 1972 Ambassador with a new electronic ignition furnace installed about 2 years ago. I have voltage on both sets of wires and at the thermostat. Resistance changes on the small wires in the thermostat when I switch it on/off.
Any suggestions would be appreciated.
Terry
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08-10-2011, 07:48 PM
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#2
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Retired.
Currently Looking...
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, At Large
Join Date: Jun 2003
Posts: 21,276
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Do you have LP going to the furnace?
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
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08-10-2011, 08:08 PM
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#3
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Moderator
2017 26' Flying Cloud
Alamo Heights
, Texas
Join Date: Aug 2006
Posts: 8,523
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Furnace? Isn't that what's outside my air-conditioned trailer? 
__________________
— David
Zero Gravitas — 2017 Flying Cloud 26U | WBCCI# 15566
He has all of the virtues I dislike and none of the vices I admire. — Sir Winston Churchill
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08-10-2011, 08:56 PM
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#4
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2 Rivet Member
1972 29' Ambassador
Sherwood
, Oregon
Join Date: Jan 2008
Posts: 28
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Gas is flowing to other appliances. The blowers won't start. I've tried with gas on and off.
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08-11-2011, 06:53 AM
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#5
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 20,000
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Look for mud dauber nest's in blast tube... 
__________________
I’m done with ‘adulting’…Let’s go find Bigfoot.
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08-11-2011, 07:33 AM
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#6
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Retired.
Currently Looking...
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, At Large
Join Date: Jun 2003
Posts: 21,276
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You've rstablished you have power' have you checked the grounds?
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
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08-11-2011, 01:58 PM
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#7
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2 Rivet Member
1972 29' Ambassador
Sherwood
, Oregon
Join Date: Jan 2008
Posts: 28
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I'm about to check for obstructions. We had a mouse issue while it was stored last winter.
When you say check grounds, do you mean a common ground to the hot wire?
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08-11-2011, 07:30 PM
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#8
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Retired.
Currently Looking...
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, At Large
Join Date: Jun 2003
Posts: 21,276
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Quote:
Originally Posted by tdveal
When you say check grounds, do you mean a common ground to the hot wire?
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I'm talking about the ground from the body of the trailer to the furnace, to complete the circuit.
__________________
Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
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08-12-2011, 12:24 PM
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#9
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2 Rivet Member
1972 29' Ambassador
Sherwood
, Oregon
Join Date: Jan 2008
Posts: 28
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Thanks for the suggestions
And the answer is: A mouse chewed into components of the Thermostat Relay.
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08-12-2011, 02:19 PM
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#10
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Site Team
1974 31' Sovereign
Ottawa
, ON
Join Date: May 2008
Posts: 11,219
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Quote:
Originally Posted by tdveal
And the answer is: A mouse chewed into components of the Thermostat Relay.
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Well, that can't be good...! 
__________________
“Courage is being scared to death, but saddling up anyway.” ...John Wayne...........................
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