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Greetings! If my old, tired, needs-replacing battery provides 12 volts but not enough amps, could it damage the starter? Are the amps mostly required for turning the starter motor or keeping the (help me spell it!) solonid engaged?

Thanks all.

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Cecil Hawkins
San Diego, CA
1971 GMC Sprint

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The solenoid can take from 10-20 amps. The starter motor can take from 100-250 amps depending on condition of engine and compression. The starter motor does not draw any current until the solenoid engauges. A dc motor when at rest is a direct short (infinite amps for a very minute time period) as it starts moving the current draw drops down to a steady state.
Try it and find out it will either start or not. It won't hurt anything.

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Steve Strasemeier (70SS 396, Fathom Blue/White Stripes)
My 70SS
 
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