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Discussion Starter #1
A while back, I broke the socket for the passenger tail lamp of my MZ3. I was able to glue it for a repair; however, I used too much adhesive which resulted in a permanent bond with the bulb. An additional problem is the tail lamp filament was burned out.

I was finally able to purchase a new socket and also replacement tail lamp bulbs (I opted for Phillips 7743LL). Now, when the socket is properly inserted and fully locked, the tail lamp does not illuminate. When the socket is removed from the housing, the bulb operates properly. I've inspected the wiring as best I can, since it's all in a cramped area, and can find no sign of damage to the insulation.

When inserted the socket while the bulb is illuminated, the bulb remains illuminated until fully rotated to the locked position. It is at that point the bulb extinguishes. I've fiddled with the wires in an effort to see if there is an internal break, but nothing.

Any ideas?
 

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My guess would be that the socket is getting distorted in some fashion at full lock, as there are no metal connections to be made there. Or, there's a break in a wire that only shows itself when twisted to that locked position. Beyond that, I'd say a poltergeist...

Sent from my SM-G960U using Tapatalk
 

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Discussion Starter #4
My guess would be that the socket is getting distorted in some fashion at full lock, as there are no metal connections to be made there. Or, there's a break in a wire that only shows itself when twisted to that locked position. Beyond that, I'd say a poltergeist...

Sent from my SM-G960U using Tapatalk
I was thinking the same about possible distortion. I'll swap it with the driver's side and see if I can replicate the behavior. The driver's side was replaced as well.

is the new socket genuine or cheap chinese rubbish
OEM Mazda.

I've learned that lesson on my own and by other's people's misfortune over the years. Pay once, cry once, do it right the first time.
 
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