[Tigers] Electrical Issue

[CoolVT at aol.com]

Jim,
People have found out that if the ground wire from engine to chassis is not 
 clean and tight that all kinds of problems crop up.  If you haven't 
checked  that I would suggest that as one of your steps.
Mark
 
 
In a message dated 4/14/2015 7:46:17 P.M. Eastern Daylight Time,  
tigers at autox.team.net writes:

 
 
Hi Listers,
 
Thank you all for your feedback. I thought I would give an update. It  
seems I have 2 problems. Everything went dead because it seems I have a loose  
connection somewhere along the battery wire (brown) to the V/R. I suspect my  
ammeter and the wiring for it have something to do with that. 
 
The bigger problem is that my car is still NOT charging. This was my  orig
inal problem and the reason I replaced the V/R in the first place. Now my  
ignition warning light is on full time. Many of you felt it was the generator, 
 at least one believed it is a fault in the wiring. I too believed it was a 
 generator problem. So today I removed the generator and took it to be 
rebuilt.  I asked if we could bench test it before going through the effort/cost 
of  rebuilding. They hooked up the generator and it tested out fine. We 
then added  in the new and old V/Rs to the test. With the new V/R hooked up 
with the  generator, it tested out at 12.7v...a little anemic. But with the old 
V/R  connected (which I had just replaced), the test showed the generator 
putting  out a solid 14.5v (+/- a tenth or so).
 
Bottomline...generator and V/R tested out fine. So it’s onto the  wiring..
 
Again, thanks for all the input and given the updated info we are still  
open to any ideas.
 
Jim
 
 

 
From: _James Lindner_ (mailto:jliny5 at cox.net)  
Sent: Friday, April 10, 2015 8:37 PM
To: _Tiger List_ (mailto:tigers at autox.team.net)  
Subject: Electrical Issue


 

 
 
 
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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