transit dip beam and heater blower intermittant fault

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]Hi , my transit mk 7 dip beam cutts out intermittantly leaving just side lights working ,main beam wont engage but main beam flash works at the same time the heater fan is also dead every thing else seams ok , any ideas guys ?]

[Altransit]

Headlight fault is probably caused by a faulty dip/main beam switch, (the one left of the steering column)

Heater could be a fuse, or the motor itself, if it's completely dead, if it works on full blast, then it's the dropper resistor.

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Hi , Thanks for that , the heater motor works fine When the lights are ok ,it' s something thats common to both ,any ideas ?