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in gear some times the battery and brake light come on. they go out when i take off. if lights come on and i give it gas with foot on brake lights go out. any ideas. new alt. new battery. thanks
 

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When the battery and the brake light come on simultaniously it is usually indicative of an alternator going bad. Happened to me and replacing the alternator fixed it. The regulator output should read about 14.55 volts +-.2 volts.
 

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Engine running, voltmeter across battery posts tell the story
 
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