[TR] TR4 Gremlins

[Jim Henningsen]

Pull the wire and gauge goes back down.  Gauge worked prior to resto so will order new sender.  Thanks! Jim

Sent from my iPad

> On Sep 2, 2019, at 10:47 AM, DAVID MASSEY <dave1massey at cs.com> wrote:
> 
> Does the temp gauge go to COLD with the wire disconnected or does it stay at MAX?  If it is the later it is probably a shorted wire to ground.  If the former the sender is probably gone.
> 
> Dave 
> 
> 
> 
> -----Original Message-----
> From: Jim Henningsen <trguy75 at gmail.com>
> To: 'Triumphs' <triumphs at autox.team.net>
> Sent: Mon, Sep 2, 2019 9:22 am
> Subject: [TR] TR4 Gremlins
> 
> Hello list,
> Still tracking down the gremlins in my freshly restored TR4.  Replaced the
> fuel sending unit and the voltage stabilizer and I now have fuel gauge and
> temp gauge working.  The curious part is the temp gauge pegged to max temp
> shortly after startup on fast idle.  I pulled the contact wire from sending
> unit in thermo housing and reseated and the same.  Digital temp reading on
> coolant in radiator was 165 and then up to 181 at operating temp at normal
> idle.  Any thoughts on why temp gauge is going to max?  Bad sending unit
> (its new)?  Doesn't like later TR4A neg ground voltage stabilizer?  Car is
> set to neg ground.  62 TR4 CT5212LO.
> 
> Thanks,
> Jim Henningsen
> Ocala, FL  
> 
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