<div>OK, no drawings-here is the definitive manual to use to fault check the overdrive. Note: if you have the earlier 2 relay system it's quite different than the one relay wiring. This is a good manual to print out. Hank<br>-------------------- <br><br>From: "Roger Grace" <roggrace@telus.net> <br>To: "Bob Haskell" <rchaskell@earthlink.net> <br>Cc: "Healeys" <healeys@autox.team.net> <br>Sent: August 24, 2025 at 10:58 AM PDT <br>Subject: Re: [Healeys] Odd Overdrive Electrics </div>
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<div class="gmail_default" style="font-size: large;">I would be suspicious of your OD switch staying closed. Exercise it and give it a squirt of contact cleaner.</div>
<div class="gmail_default" style="font-size: large;">Alternatively the OD relay could be sticking and not releasing freely. Same story connect 12v directly and cycle and listen to it.</div>
<div class="gmail_default" style="font-size: large;">Just for interest see my simplified OD cct sketch</div>
<div class="gmail_default" style="font-size: large;">rg</div>
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