Re: [TR] (no subject)

[Randy and Valerie DeRuiter <deruiterville@hotmail.com>]

Brad

I did a similar conversion a few years ago on a TR3 and Iâ??m fairly certain 
that needs to be switched power to the unit.  I donâ??t have a wiring diagram 
handy but you may be ok adding the small brown wire to the same terminal as the 
large brown wire - and run a separate connection for the switch power.  The 
positive coil terminal could be a convenient place.

Randy

Sent from my iPad

> On Apr 9, 2023, at 1:19 PM, Brad Kahler <bkahler1@gmail.com> wrote:
> 
> 
> I'm trying to troubleshoot a problem with the new wiring in my TR6.  Here's 
> the configuration:
> 
> 1) Mini Denso 70 amp alternator 3-wire 
> 2) New wiring harness from TRF
> 3) Positive cable connected to battery
> 4) Between negative cable and ground I have a fuse inserted with a small amp 
> meter (this way if a short occurs while testing the fuse will blow before 
> damaging anything and I can read the current draw if/until the fuse blows)
> 5) White wire at distributor disconnected
> 6) No dash instruments connected
> 7) Rear harness not installed yet
> 8) TBI power connector not connected
> 9) Harness in engine compartment mostly connected 
> 10) Alternator connected
> 11) Fuse between brown and purple wires is NOT in place
> 
> 
> When I connect the ground I immediately start showing a 4 amp draw.  When I 
> disconnect the small brown wire on the alternator the current draw 
> disappears. 
> 
> The wires area connected as follows.  The brown/yellow wire goes to the (1) 
> connector on the alternator for dash light.  
> 
> The small solid brown wire goes to the (2) connector on the alternator called 
> "switched live" from the battery.  Currently the small brown wire is always 
> live from the battery per Triumph design.  If the "switched live' note means 
> the brown wire is supposed to be cold when the ignition switch is off then 
> that is likely the problem.  
> 
> All of this tells me the brown wire needs to be from the ignition switch on 
> position and only live when the ignition is on.  I don't have any way to 
> really test my theory because I haven't got the engine running yet and won't 
> for a few weeks.  I'd like to resolve this before I go much further with the 
> wiring install.
> 
> Thanks,
> 
> Brad
> 
> 
> 
> 
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