[TR] wire breakage
cliff_hansen at outlook.com
Tue Jul 31 21:06:42 MDT 2018
Would coiling a section of that wire protect against vibration stress? Or could you fasten the wire to the overdrive above the connector, and leave a small loop of slack? Just thoughts.
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From: Triumphs <triumphs-bounces at autox.team.net> on behalf of Randall <tr3driver at ca.rr.com>
Sent: Tuesday, July 31, 2018 6:10:23 PM
To: TERRY SMITH; triumphs at autox.team.net
Subject: Re: [TR] wire breakage
What seems to work for me is to tin more than is necessary, and then put heat shrink tubing over the transition (from tinned to untinned) so that section doesn't flex.
On 31 July 2018 17:08:11 GMT-04:00, TERRY SMITH <terryrs at comcast.net> wrote:
Oh. A quick side exchange with Bill (Thanks Bill), reminded me of a question I've been meaning to ask.
TR3 switches often (always?) use bare wire ends screwed into switch contacts. I've never had a problem with the connections breaking the wire behind the instrument panel. But I have more or less regularly had the OverDrive switch break at the connection over time. Simply, the bare wire must vibrate enough to eventually cause the strands to break.
I could easily solder the ends before screwing them down, but ISTR reading here that that solution only causes the break to happen above the tinning.
Any suggestions how to break-proof this?
Thanks again, everyone,
Terry Smith, '59 TR3A
** triumphs at autox.team.net **
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