Number plate lights fuse blowing

davidcaffery

Active Member
Sep 28, 2013
42
0
Manchester
Has anyone had this problem, replaced both lamp holders, checked bulbs and they are working fine ( currently using canbus leds) they are fine for a bit then blow the fuse after a few times of turning the lights on
 
Last edited:

Klaus71

Active Member
Sep 22, 2015
34
0
Minehead
Well basically the circuit is drawing too much current.

Measure the resistance of a standard filament compared to your new LED light, they should be very similar.

Sounds like the LED don't have the correct resistance (too low), draw too much current and blow fuse. Either that or start up current spike is too high, weakening fuse and finally blowing it after three for four 'lights on' actions.
 
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