[Tiss]

heres the problem........my heater blower doesnt seem to do anything on settings 1 -3..but works fine on 4....is this my motor or just my switch

 

[Big_Bad_Ian]

From what I remember when I was looking into this (mine stopped working full stop) if it doesn't work 1-4 could be the fan, fuse, switch, wiring, lots of things like that... But if it works only on 4 it's a resistor... Sure someone will be along to confirm though (Y)

 

[astra_life]

I would say it is the resistor, but get it checked before you buy a new one

 

[Tiss]

where is this resistor thingy

 

[Big_Bad_Ian]

where is this resistor thingy

The motor is behind the glovebox, I don't think the resisitor is too far away

 

[LADmachining]

heres the problem........my heater blower doesnt seem to do anything on settings 1 -3..but works fine on 4....is this my motor or just my switch

Neither.

Most likely the resistor is defective. You can find it by removing the glovebox, then following the two wires for the motor back towards the ducting, where you will find the resistor.

Be aware that the resistor usually blows for a reason, most common cause is the fan motor starting to seize up and draw too much current. Just replacing the resistor without sorting the cause of the problem could mean it blowing again in a short time.

 

[astra_life]

Perfect explanation.

 

[stuart_astra1.7]

mine did this soon after i bought it. £30 at the local breakers got me a new motor complete with resistor. Just a note of warning, mine blew because i had half a tree stuck in the pollen filter, may as well change that at the same time (Y)

 

[Nello]

Mine was caked with carbon from the brushes.
I took it to bits and blew out the carbon from the motor.

 

[Tiss]

cheers people...shes booked in for mot on thurs so i may ask the garage to take a look....me and electrical things dont mix