Thermostat trouble

[meetoomc]

I wonder why the wires coming from the HVAC unit to the thermostat might have continuity?

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[user 100]

I wonder why the wires coming from the HVAC unit to the thermostat might have continuity?

Sent from my XT1080 using Tapatalk

There is a short somewhere- I think the only continuity should be between the contactor wires and the r or y terminals on the tstat.

 

[Little Bill]

I wonder why the wires coming from the HVAC unit to the thermostat might have continuity?

Sent from my XT1080 using Tapatalk

Did you disconnect them from both ends before checking for continuity?
You might be reading through a load such as the contactor is closed.

 

[user 100]

There is a short somewhere- I think the only continuity should be between the contactor wires and the r or y terminals on the tstat.

Need for clarification-

There should only be continuity between the contactor wires or the R-G-Y terminals on the tsat when in cool setting when everything ( power and tstat) is turned off and all wires are disconnected at fcb and tstat.