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Hard starting when hot.

B

Bob in Tennessee

Member
Lately when I shut off my '49 6V front mount after it get's hot, she has trouble starting again. The engine turns over slowly like a drained battery. If I wait a day,
she'll turn over fine and start right up. What make's the engine so sluggish when hot? The amp gauge shows a charge the entire time I'm working it.
 
Could be your starter is dragging when it is hot and that means it is on it way to going bad. Could also be your battery is going bad and getting over charged.
 
We went on vacation once in my cousins 1978 powder blue Chevy Malibu. We took off from Kansas through MO and were about to stop for the night. We wanted to do some hotel shopping but my cousin said we needed to pick one and stick with it - there was a bad cell in the car battery and she wouldn't start hot. We made it to Maryland (I can't recall what we did at gas stations, but it was the early 80's, so people weren't uptight about leaving it running) but got lost in a rather seedy part of Baltimore with a car we were worried would die. He went and bought a new battery the next day after he had listen to us chew on him the whole trip.

Moral of your story? Check the battery on your N before it leaves you in a seedy part of Baltimore.
 
" The engine turns over slowly like a drained battery. The amp gauge shows a charge the entire time I'm working it. "

Well, that's two hints.

See tip # 49.

Or pull the battery out & take it to the local auto store to have it load tested.

In addition to checking the battery, chances are you need new cables as well (tip # 41). And, don't forget to clean all the grounds, to include the mating area between the starter & the block.
75 Tips
 
The Amp gauge should not show charge the whole time you're
running it unless you only run it for short periods of time.
(or running the lights all the time)
After starting the battery should charge and the charging system
should have no further need to continue charging the battery.
I would have the battery load tested.
 
Thanks guys! I mis-spoke when I said it "charged all the time while in use". That was an assumption on my part as it charged when started then I went to work and didn't really take notice again. I have a battery load tester which I think also does 6V. Is there an easy way to test starter? This morning I moved my tractor and it started right up. I'll clean cables tonight. But like I said, she only turns over slowly when she's been worked until hot. Thanks again!
 
Funny thing Royse is when I do run lights, the amp meter shows in the negative. That may be a big clue to someone who is not electrically challenged like myself.
 
(quoted from post at 12:32:07 08/04/15) Funny thing Royse is when I do run lights, the amp meter shows in the negative. That may be a big clue to someone who is not electrically challenged like myself.
Click to expand...
That would make me think it's not charging enough to charge
the battery and keep up with the lights you have installed.
That may be due to the lights if they've been modified or it has
added lights, but it could also be a bad battery, bad voltage
regulator, bad ground etc.

On the older style generators with a cutout the operator would
adjust the generator to compensate. On yours the voltage
regulator should do that for you assuming you have the OEM
style components installed. Many times they get swapped out
over the years.

I still believe I'd test the battery and check the connections
first. Both are fairly easy and cheap to do so you don't have
to go throwing parts at it.

It also tells us that your ammeter is hooked up the right way.
That's good to know so you're not chasing your tail trying to
figure out why it doesn't show a charge when it should.
 
About the only way to test the starter is to pull it off and take it to a auto parts store or a place that rebuilds starters etc and have it tested
 
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