Peugeot 406 heater booster fan

Never done one on that car ,but this info might help you from another forum .



00 2.0 Heater Blower Motor Not Working - mickeybo
Check fuse f40 (40 amp) ac/heater control module this can only be checked with engine
running if no voltage at fuse 40 then you most likely have a faulty ignition barrel
(common fault) Assuming the above checks are ok with engine idling you should be
getting a 12v feed to blower motor red wire. This heater motor is earthed through
control module (common fault) The controlmodule sits to the right hand side of blower
viewed from passanger side and has 2 multi plugs green in colour hope this helps
BestReguards Mickey Bo
Location Derry N/Ireland

Can't vouch for it , but worth a look .

Here is another suggestion of possible cause .



2000 2.0 HDI Climate control fan blower stopped wo - hazza
Had same problem it turned out to be the wire from ignition to fan was not conducting power. So faulty ignition got price for new (fell over) decided against & RAN PERMINENT FUSED LIVE
from battery through bulk head has worked ever since.
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put the heater blower on full then remove the cover under the glove box and wiggle the connections on the motor and the ones in the large multi plugs near the heater to see if it kicks into life also look for burning in the multiplugs and repair as necessary

what size fuse for live feed to fan would i use thanks for your time

No problem , according to the first suggestion I posted , they say the fuse for the ac/ heater control module F40 is a 40 amp . if this helps .

when i press the button to set the fan to blow air it does not work, but the fan is working ok, have had it tested and the motor is working. When I press the different settings there is no heat projecting out but you can feel that the heat is coming through.