Just hooked up HID's in my foglights and they work for about 20 seconds and blow the 10A fuse....what could be causing this? The balasts have a maximum of 10A each so should i just put in a 20A instead of a 10A?  any help would be greatly appricated! 
 
, Chris

2000 z24 Cavalier
 
only add a bigger fuse if the wire gauge you are using can support the current 
 
 
well the wire gauge on the hids is bigger than the ones going to the stock connector....should i still put in a bigger fuse?

2000 z24 Cavalier
 
how would i wire it up, the foglights already have a relay don't they?

2000 z24 Cavalier
 
the relay harness would plug into the factory harness, and use the factory voltage as a signal only, this will trip the relay, and pull the draw from the battery.
The start up draw for an HID ballast far exceeds the draw for a standard halogen, which is what the factory wiring is meant for.
 
 
ok ....I just tryed putting in a 15A fuse instead of a 10A and it seems to be best kind.... i left them running for like 10 min and kept an eye on everything and it seems to be best kind... when i get a chance i'm gonna hook up a relay harness 
 
 

2000 z24 Cavalier