On 05/12/2015 09:59, JD wrote:
wrote in news:4a56e299-a5da-41b3-8d2a-df8077ea4ae3
@googlegroups.com:

I checked the single-filament bulb. It's fine


What check did you make? Visual? Electrical?


Ohm meter and visual. The Ohms reading indicates it has resistance, so the
filament must be intact, and it looks intact too.

JD


How much resistance?
A working 20A fuse should read pretty close to zero with an ohm meter.