[Tigers] Electrical Issue

[Tom Parker]

Hi Jim,

1: fuses
2: check wiring, measure voltages at the ignition switch.
3. Wring out the circuit between the Bat on the generator to the ignition
switch.
4. with the key on is the dash lamp glowing?
The wiring diagram is key; if you don't have one they're online.

Tom
'67 Mark 2


On Fri, Apr 10, 2015 at 8:37 PM, James Lindner via Tigers <
tigers at autox.team.net> wrote:

>   Hi All
>
> I was getting my Tiger ready for the season and I noticed that I was not
> getting a charge at idle. The more the car warmed up, the more rpms it
> needed to keep the ignition lite off. Over the years I have experienced
> problems keeping a voltage regulator for any great length of time. They
> just seem to give up after not so long. This time I did pretty well…it
> lasted over a year. I checked the battery and generator just to be sure…the
> battery had a full charge and the generator was generating.
>
> So I switched out the v/reg for one I purchased from SS as a backup last
> year. I have done this installation a couple of times so I was confident,
> even with my minimal skills.
>
> I got the new v/reg in. Reconnected the battery but When I went to
> polarize it (touch F wire and B wire momentarily per Shop Manual)…nothing.
> I checked my connections (Brown to Batt terminal…Brn/Grn to Fld
> terminal…Brn/Yel to Arm terminal) all were correct. I double checked
> battery…full charge.
>
> Thinking the v/reg might be bad, I reinstalled the old one…same
> results…nothing.
>
> I installed new one again…same results.
>
> The only other action I took was to disconnect the terminals on the
> generator and cleaned them up. I checked to make sure I reconnected them
> correctly.
>
> I took a chance and turned on the ignition…dead.
> After taking a break I went back out and did some more inspection and
> testing. Not sure if it made a difference but I found the battery wire
> (brown) spade connector at the fuse box loose. I crimped it down and got a
> much tighter fit. The v/reg still would not polarize so I then took some
> readings with my multimeter. Here are the readings…
>
>
>
> Battery…………………………………………………….12.9v
>
> Batt Term @ V/reg…………………………..……..12.9v
>
> Battery term @ solenoid……………………..…..12.9V
>
> Battery Term @ Gen (end of case)…………..0
>
>
>
> I thought I should get a similar 12 something reading at the Batt terminal
> on the generator. Any advice on where to make additional tests or anything
> else is appreciated.
>
>
>
> I am pretty much a neophyte at this so please type slowly.
>
>
>
> Thanks
>
>
>
> Jim Lindner
>
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>
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