T-5 problems

[youngtimothy]

T-5 problems
I've been running t-5's for around 5 years without any problems. I came home to no light, and a tripped gfi. Ice cap 660 Ballast, end caps, 4 bulbs. I switched bulbs around with old bulbs., plugged it all fired then went out. Changed Ballast still the same thing, changed wire harness #1 and 3 fire then go out. Originally all fired and went off now just 1 and 3. Not sure that changed after I changed the Ballast or the harness. The only thing I haven't changed is the end caps.
Any thoughts?

 

[greg0385]

If you got a ohm meter, check continuaity(spell check) on all your pair of wires. You may have a bad connection somewhere in the wiring. Of course unplug from the wall before trying this.

If having a problem getting continuaity through the bulbs, use a short piece of wire to make a bridge with the connections inside the each endcap.

 

[youngtimothy]

Thanks I checked all continuity and it checked out, that was before I changed the harness. I will have to check again.

 

[Rob&Gab]

this is happening to my tek light also.

 

[Reefing Madness]

GFI is probably bad. They go bad also.

 

[youngtimothy]

Gfi is good, I have a pump on it. I also used a regular outlet when I was working on it off the tank.

 

[youngtimothy]

After much frustration and pulling my hair out I have found that the new ballast is bad! It did give me the opportunity to fix some fans and clean up the wiring in the hood. Thanks for the responses.

 

[Reefing Madness]

Right on. Good stuff. Glad you were able to it down.