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<div>You will find the wiring diagrams in the owner's handbook. </div><div>Pierre</div><div><br></div>
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On Friday 18 July 2025 at 18:27:46 BST, Vern Inkspot via Rovernet <rovernet@rovernet.org> wrote:
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<div><div id="ydp4f305fb8yiv9594801066"><div>Hi Lance<div><br clear="none"></div><div>First step would be a wiring diagram. The next step would be using a multimeter and progressively disconnecting things downstream of that fuse until you don't see a dead short anymore.</div><div><br clear="none"></div><div>I don't have the NADA 3500S wiring diagrams</div><div><br clear="none"></div><div>Yours</div><div>Vern</div><div><br clear="none"></div><div><br clear="none"><div><br clear="none"><blockquote type="cite"><div id="ydp4f305fb8yiv9594801066yqtfd79444" class="ydp4f305fb8yiv9594801066yqt6769050241"><div>On Jul 17, 2025, at 2:00 PM, Lance La Certe via Rovernet <rovernet@rovernet.org> wrote:</div><br clear="none" class="ydp4f305fb8yiv9594801066Apple-interchange-newline"><div></div></div></blockquote></div></div></div><div id="ydp4f305fb8yiv9594801066yqtfd57337" class="ydp4f305fb8yiv9594801066yqt6769050241"></div><div><div id="ydp4f305fb8yiv9594801066yqtfd32622" class="ydp4f305fb8yiv9594801066yqt6769050241"><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof">1970 3500S NADA</div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof"><br clear="none"></div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof">I've been restoring this car since 1988. Although electrics are my worst skill set, this latest event has me completely flummoxed.</div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof"><br clear="none"></div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof">Drove the car several miles two days ago without any problems. Washed it yesterday, as I have done for 30+ years without an incident. Drove it back into the garage, unscrewed the battery post disconnect switch, and plugged in the battery tender (which I've also used for 30+ years).</div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof"><br clear="none"></div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof">Be aware there was no corrosion on either post or on the positive and negative leads from the battery to the car. </div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof"><br clear="none"></div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof">Realized I needed to move the car up further into the garage. Screwed the disconnect switch back on and nothing. </div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof">Battery at rest registered 12.9-13V; clearly well maintained. Checked under the hood; leads to and from the coil, etc. All in order. Finally checked the fuse box, and the 35amp battery control fuse had blown. O.k., an old Lucas fuse, let's replace it, after having disconnected the battery. Installed new 35 amp fuse, turned disconnect switch back on and nothing. </div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof"><br clear="none"></div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof">Went back to the fuse box. The fuse was blown again. Reached in to pull it and it was so hot I now have a loverly, blister on my thumb. </div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof"><br clear="none"></div><div style="font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none; font-family: Arial, Helvetica, sans-serif; font-size: 12pt;" class="ydp4f305fb8yiv9594801066elementToProof">Any help would be greatly appreciated.</div><div id="ydp4f305fb8yiv9594801066Signature" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-weight: 400; letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; text-decoration: none;" class="ydp4f305fb8yiv9594801066elementToProof"><div style="font-family:Arial, Helvetica, sans-serif;font-size:12pt;" class="ydp4f305fb8yiv9594801066elementToProof"><br clear="none"></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;" class="ydp4f305fb8yiv9594801066elementToProof"><span style="background-color:rgb(255, 255, 255);">Lance </span></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;" class="ydp4f305fb8yiv9594801066elementToProof"><span style="background-color:rgb(255, 255, 255);"><br clear="none"></span></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;" class="ydp4f305fb8yiv9594801066elementToProof"><span style="background-color:rgb(255, 255, 255);"><br clear="none"></span></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;" class="ydp4f305fb8yiv9594801066elementToProof"><span style="background-color:rgb(255, 255, 255);"><br clear="none"></span></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;" class="ydp4f305fb8yiv9594801066elementToProof"><br clear="none"></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;" class="ydp4f305fb8yiv9594801066elementToProof"><span style="background-color:rgb(255, 255, 255);"><br clear="none"></span></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;color:rgb(12, 100, 192);" class="ydp4f305fb8yiv9594801066elementToProof"><span style="background-color:rgb(255, 255, 255);"><b><br 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style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;color:rgb(243, 144, 29);" class="ydp4f305fb8yiv9594801066elementToProof"><span style="background-color:rgb(255, 255, 255);"><b><br clear="none"></b></span></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;color:rgb(200, 38, 19);" class="ydp4f305fb8yiv9594801066elementToProof"><span style="background-color:rgb(255, 255, 255);"><b><br clear="none"></b></span></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 255);margin:0px;font-family:Arial, Helvetica, sans-serif;font-size:14pt;color:rgb(200, 38, 19);" class="ydp4f305fb8yiv9594801066elementToProof"><span style="background-color:rgb(255, 255, 255);"><b><br clear="none"></b></span></div><div style="text-align:left;text-indent:0px;background-color:rgb(255, 255, 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