1999 Chevrolet Silverado 1500 "1 speed fan working" Questions

...1 , 2, 3 did not work, soon speed 4 went and speed 5 only worked now none of them work I have no heat now. Before speed 5 stopped it started making a loud noise lasted a few days then died. I have ...

...1,and 2 how do i replace the switch and if so how do i get to it? is the switch really the problem? Sounds like a blower motor resistor and not the switch. The resistor is mounted near the blower ...

...1 or2 heater hose in is warm heater hose out is cool, is there a fuse that controls the function? is there a electronic operated valve to open and close the flow of glycol to the rad? if so would ...

...1 and 2 and no heat 3,4,5 fan speed Hey, Im thinking it is going to be a heater core or a mixing vale problem but trying to decide which. any way to figure out which?? my truck did the same thing. i ...

...speed position 1 & 2 do not work on our 1999 chevy silverado. Position 3, 4 & 5 work well. What could be the problem and how do we fix it? Thanks Ben there is a relay in heater box go to ...

...help. your speed switch located in heater box usually one wire to it in passenger feet area above "TOES" usually you loose 1 or 2 speeds on fan but it is unplugged or completely cooked good

1 on Silverado. #2 thru #5 did. Suddenly while on fan #2 the fan jumped to #5 and continued to run even after turning off ignition. Only way to stop fan from operating was to disconnect the harness at

AC/Heater fan works only on #4&5 speeds 1/2&3 don't work bad switch

...There is a modulator under the dash on the passanger side.It controls the fan speed.I don,t have 5 so when I changed the part it worked.1 and 2 are common. Its worth a try.Its near the cabin ...

the no.1 speed on the 5 speed heater fan does not work. 2002 silverado 1500. Thank you the switch in the dash is bad