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      11-13-2012, 01:37 AM   #16
brad bedell

Drives: E90 335 and S54 Z3M
Join Date: Oct 2012
Location: dallas tx

iTrader: (1)

Back from the dead.

I picked up some of these 'warrantied lights' recently It's certainly NOT the connection. However, if it were the connection, a bit of dielectric grease on the contacts will prevent the corrosion.

I'll play with them a bit more at work, I suspect they have a bad solder joint. I'll re-touch the joints at the connectors between boards and see if it helps. I can get them to all light up and flicker a bit if I put pressure on the solder joints.

The light came apart reasonably easy with a small screw driver. Sealing them back up will be a bit more of a chore, but not impossible. I'll get the big camera out to reassemble them after I repair the board.

Anyhow, took a light apart and this is the bench test: