David,
The Halogen bulbs are used only in the back-up sockets, where they
aren't on constantly.

I've had the 50 watters in for the running lights, the brake lights, and
the turn signals, along with the halogen back-up lamps for at least 6
months now, with zero meltdown.

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Terry--
74 Campmobile- (Clementine)
85 GL- (Delilah)
86 BMW 325 ES- (Eva)