Heater Blowers Not Working

[memphis40]

Hi guy,s, this is my first post, I have got a 1996 VW sharan 2.8 GL with climate control that seems to control both front and back heater blowers (as there are no seperate controls in the roof lining for the rear one). Now here is the strange thing, the blowers only work in short blasts when the radiator cooling fan kicks in to cool the water in the radiator. I have changed the Blower Resistor pack (red hedgehog) I have changed the climate control header unit as the one was flash for a short while when first started up, now the new on is doing the same (proberbly no gas in A/C). I have even bought Relay 114, but cannot find where it goes as there is not an old one in the central fuse box, My central fuse box is only one level and not the multiple levels that was introduced late 1997. I also think that there may be a couple of relays missing but I cannot get my hands on a wiring diagram of my type of fuse box.

 

Pleas can anyone help me.

 

P.S Rear wiper not working, but the rear waher does work.

[Smilge]

Not sure on why your blowers aren't working correctly ...isn't there a module that controls the radiator cooling fan in conjunction with the aircon?

 

Your wiper problem is probably due to broken wires within the rubber boot that goes into the tailgate. There are plenty of posts that explain how to sort this out.

[memphis40]

Just an update, after much searching on here and other forums I managed to get a fusebox diagram and belive it or not fuse 22 which i belive is for cigar lighter, or radio according to the plan on the piece of plastic that covers the fusebox, was missing but both the radio and cigar lighter worked, but when i put a 10amp fuse in the empty holder the heater blower fans work.

Now the only thing i am not sure of is, are both the cooling fans on radiator suposed to working when my heater blower is on, on eco mode or even in an unamed mode?

[Smilge]

The second fan should only operate when the A/C is turned on and not in ECON mode.