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Tim,</div>
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Start the engine, rev it a few times and then check the battery at the positive terminal. If you get 13 or more volt reading the alternator is working. Normal would be in the 14.3+ volt range. If that's your reading the alternator is fine. Of course as you
did; check all of the connections for corrosion and fix that too.</div>
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Running the headlights is not a battery risk but it is a risk to the headlight switch. That's why many of us have installed relays in our headlight system to lower the current draw thru the switch.</div>
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Trust you are enjoying KY, we are having a good time in NC. Especially liking the weather in the mountains. Driving the mountain roads is a bonus too.</div>
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Best</div>
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JVV</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Wpta <wpta-bounces@autox.team.net> on behalf of Tim Prell via Wpta <wpta@autox.team.net><br>
<b>Sent:</b> Saturday, March 14, 2026 9:57 AM<br>
<b>To:</b> WPTA <wpta@autox.team.net><br>
<b>Subject:</b> [WPTA] Alternator connection</font>
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<div>I’ve always had a feeling that running the headlights on the TR6 was a risk to the battery and unfortunately that proved true on a run in Kentucky two weeks ago. The acceleration sputttered when past half throttle (fuel starved), the overdrive stopped
working and the battery died in the end. That battery was only 4 years old but out of warranty so I swapped it out in an abundance of caution and finally tested the alternator.
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<div>There was no charge above 12 volts when running, tested at the battery terminals. I finally inspected the alternator terminals and found the hot lead completely corroded and broken at the female connector. Discovered Lowe’s doesn’t carry a spade female
connector large enough for the 8-10 ha power lead but Autozone did. A relatively simple fix that I should have inspected long ago!</div>
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<div>Hoping there’s nothing more to it but wanted thoughts about the best way to get the alternator tested.</div>
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<div>Thanks in advance,</div>
<div>Tim</div>
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