For your information:
I'm an idiot about MG electrics, so when my radio started to inexplicably
shut off for periods of 3-4 seconds, I was mystified but not alarmed. A while
later, my voltage light started to briefly blink on, the blink accompanied by
an equally brief shudder from an engine not running, interspersed with the
radio outage. I initially thought it was connected to a fog light relay
system installed last year. It was not.
Next time I got in it to work on it not only wouldn't the starter turn over,
but the interior light extinguished and wouldn't come back on when I first
turned the key in the ignition. However, the fuel pump continued to work.
Starting at the basics, I first checked for obvious disconnects or loose
wires, then went to clean the grounds and battery terminals, starter posts and
alternator (new last year) connections, but no difference. Then I started to
make my way through the cursed connectors and found I could get the interior
light to come back on, albeit only until I turned the key again.
Then I hit the fuse block, following the brown wires. I guess they just
corroded in place, as they came off hard and were grubby. Cleaned 'em up a
added dielectric grease and got the interior light back on and then the
starter, and it ran without hesitation.
Now I'm going to replace that block--mine is a little on the shaky side
along with the corrosion. I'm also going to replace every gosh darn connector
can find to eliminate that as a potential problem. I love driving it on a
regular basis, but the idea of an electrical connection suddenly deciding
"That's it, with no notice I am refusing to pass along any more current," is
inhibitor to regular usage.
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