Forum Discussion
Old-Biscuit
Nov 17, 2019Explorer III
It is NOT the 'sail switch', NOT the 'limit switch', NOT the on/off-circuit breaker otherwise jumpering the 2 blue wires would have NO affect.
Jumpering the 2 blue wires allows DC circuit be to completed......from thermostat
You stated.....
" I do NOT have continuity between the 2 blue wire when they are disconnected and tstat is calling for heat."
That means the thermostat is the issue............replace it.
See pg 29...thermostat troubleshooting
Blower does NOT run
Service Manual
Jumpering the 2 blue wires allows DC circuit be to completed......from thermostat
You stated.....
" I do NOT have continuity between the 2 blue wire when they are disconnected and tstat is calling for heat."
That means the thermostat is the issue............replace it.
See pg 29...thermostat troubleshooting
Blower does NOT run
Service Manual
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