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Hi Proper way on wiring furnace.

Hi Proper way on wiring furnace.I have an Goodman Model GMP100-5 furnace with an AC unit. We currently do not get heat when we turn the thermostat to heat. I think the wiring is wrong. Currently on the furnace it has a brown wire coming out with 5 wires in it. These wires are connected to the brown AC units wire they are . y to y, w to w, b to b,g to g but the red wire is connected to the yellow wire coming out of the thermostat brown wire and the red wire is connected to the red wire from the furnace. The green wire from the thermostat is connected to a green wire which is hanging out of the furnace. The blue and white wire are not connected to anything. On the furnace aswell it has a yellow white and blue wire hanging out connected to nothing. What is the proper way this should be wired? Currently the ac unit works and the blower fan on the furnace only. The heat mode is not working.

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Chandler Ede

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1,420 Answers

I can give you a start, For heat only, R terminal on furnace to Red wire to R or RH terminal on thermostat. W terminal to White wire to W terminal on thermostat. G terminal to Green wire to G terminal on thermostat. This will get you heat but not air conditioning.

Posted on Jan 06, 2010

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Hi Proper way on wiring furnace.

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Chandler Ede

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Hi Proper way on wiring furnace.

1 Answer

Chandler Ede

Add Your Answer

Attachments: Added items

Related Questions:

Myblowermotor on my goodman furnace will only work when the heat is turned on when i turn on the ac the blower motor wont kick on but the the ac unit turns on i can here the outside unit working

I keep getting a reversed polarity signal on furnace.

Need the manual or schematics for a Goodman model number gpg154911541AA serial number 0908213857 ac/furnace unit so repairman can repair our unit

I have an goodman model # gsc130241ae ac unit outside it will not come on, no hum, fan doesn't run thermostat control is good swaped out with downstairs unit. Gas heat unit is in the attic, I don't use...

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I have a goodman furnace and ac unit heat and fan work but soon as i flip the ac on it blows the 5amp fuse at the furnace

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