Multifunction Switch & Other.

[M0NGROL7]

I have a 97 K2500 and my hazards button is stuck so I'm gonna a replace the multifunction switch. Wondering if tips?

Also, I've been having issues with the heater only working on high and it only blowing on defrost.

**I've replaced the blower motor resistor as well as the blend door actuator. I got the low through for fan speed, but it still doesn't seem to be switching from defrost**

Any suggestions?

 

[AK49BWL]

Mode door actuator or the connecting linkages to the right of the accelerator pedal. Either the springs came out of the linkages or the actuator has quit.

 

[M0NGROL7]

Mode door actuator or the connecting linkages to the right of the accelerator pedal. Either the springs came out of the linkages or the actuator has quit.

I replaced the actuator this past weekend. I'll check the springs in the linkage

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[AK49BWL]

in this post is what it should look like.

https://www.gmt400.com/threads/1991-k1500-ac-actuators.51629/#post-1140457

 

[M0NGROL7]

in this post is what it should look like.

https://www.gmt400.com/threads/1991-k1500-ac-actuators.51629/#post-1140457

I know I replaced that this last weekend lol

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[AK49BWL]

I know I replaced that this last weekend lol

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Yeah I know, the spring set is above the actuator and that post shows what those are supposed to look like.