I find it suspicious that W lights up, but not H or O. H and O are flashers, not regular 44 lamps like W. Do these flashers work in test mode?
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Quoted from tom_baker:Okay, tried that, 4.97 on the PDB test point, 12V Test point also checked out...and yes, the flashers do work in test mode....
OK. When you tested the switches, did you check switch 36 and 37? Both need to be working to register the W shot.
With the lamp board connected, wiggle the connector up and down and side to side. Do the lamps work while doing this? If so, it's likely a solder joint issue. Just checking for continuity doesn't necessarily eliminate the issue as the board moves and flexes a lot when connected, potentially disrupting the joint.
Quoted from tom_baker:Ok, arolden, you are two for two. Pressing gently on the middle of the board causes the connection to be made. I tried just loosening the attaching screws in case they were bending the board down, but that didn't fix things. So I guess I just try to remove and resolder the connector? Thanks!
Don't worry about the connector. Reflow solder around the header pins on the lamp board. That should do the trick.
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