What could be wrong

10

Asked by Nov 14, 2016 at 10:16 PM about the 2002 Buick Regal LS

Question type: Maintenance & Repair

I have a 2002 Buick regal ls, when I try to start it,
it just clicks once, the lights on dashboard go off
and headlights too, as soon as I let go
everything comes back on, headlights are bright
again, I thought it was the starter and battery,
took both off and took it to autozone they said
starter is good and I took battery and put it on
another car and it starts right up,  I though
Mabey it was corroded so I bought a wire brush
and cleaned both,  still just clicks once, help me
please.

3 Answers

95,075

Sounds like a major voltage loss, make sure the cables and battery posts are shiny clean, none of that black corrosion, and the other ends clean and tight, if that wasn't it then try wiggling the cables themselves and listen for a crackling sound, if you hear that then replace the battery cables as corrosion is inside the cables causing a massive voltage drop, and finally if they do pass the wiggle test, then run a voltage drop test on the cables.

What other end of cables?

95,075

Where they attach to the engine, starter.

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