When I turn the key on I have no power, it builds and starts. What do I check. on 1994 Mazda B2300

When I first turn on the key on my 1994 Mazda B2300 I have no power. The charge slowly builds to virtually full in about 30 seconds. Once running the voltage meter bounces considerably, but the truck runs without any problems( Until I shut it of and all power is lost immediately.) Do you know where I should start in checking things out?

by in Columbia, MO on August 19, 2011
1 answer 1 comment
ANSWER by on August 19, 2011
I would suggest you begin by checking the battery and its connections. The battery should be load tested and be sure the connections are clean and tight.
COMMENT by on August 19, 2011
Thank you Jim, I was able to test the battery which was giving off a widely fluctuating charge. I appreciate your help.

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