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<div dir="ltr" data-setdir="false">High resistance in heavy current path from battery to starter (likely corrosion) to ground<br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">(battery)-->>--(solenoid)-->>--starter-->>--(ground)measure voltage across solenoid (could have high resistance contacts when operated)</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Jim</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">connect voltmeter between battery and solenoid, note voltage (should be zero) try start, note voltage (should still be zero), section out heavy current path accordingly ...<br></div><div><br></div>
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On Sunday, May 22, 2022, 04:35:44 AM PDT, Patrick & Caroline Quinn via Healeys <healeys@autox.team.net> wrote:
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<div><div id="ydp8c107327yiv3792055204"><div><div class="ydp8c107327yiv3792055204WordSection1"><p class="ydp8c107327yiv3792055204MsoNormal">Hello</p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal">A problem to consider.</p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal">Went to turn the engine over in the BN3. An early C-Series six-cylinder. Rebuilt about five years back, but seen next to no use.</p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal">Solenoid clicks, but no movement from the engine. Must be the battery so charged it, but no change. Tried a brand new battery, but still no movement.</p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal">Out comes the starter and connect it straight to the battery. Whirr away on the floor. Perhaps the original Lucas starter is breaking down under load?</p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal">It occurs to me to try and turn the engine over by hand. Gearbox tunnels not fitted so easy to wield a large screwdriver to leaver the flywheel, after removing the spark plugs. It moves about six teeth of the ring gear, but no more. It moves back the same in the other direction, but no further. Soon lose interest in this manoeuvre. </p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal">What’s up? Why won’t the engine turn over? Thinking cap on and perhaps it’s something at the top of the engine such as valve gear. Perhaps there is a bent valve?</p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal">Any opinions out there?</p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal">Many thanks</p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal">Patrick Quinn</p><p class="ydp8c107327yiv3792055204MsoNormal">Blue Mountains, Australia</p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal"> </p><p class="ydp8c107327yiv3792055204MsoNormal"> </p></div><div id="ydp8c107327yiv3792055204DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
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