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Re: [T3] Starter Question

On Jun 4, 2005, at 12:10 PM, Russ Wolfe wrote:

On Sat, 2005-06-04 at 10:19, John Jaranson wrote:
On Jun 4, 2005, at 10:03 AM, John Jaranson wrote:

OK, I put in the new switch and everything is back to normal. Starter spins better than it has in awhile. The old switch is very rough in its action. The new one is nice and smooth. I suspect it was getting worse and worse and finally just couldn't pass enough current to spin the starter. I will be adding a solenoid into the system later this weekend to save the switch from having to pass all of the starting current.

That switch shouldn't be carrying the whole starter current. Just the
solenoid current. Pull in is about 40 amps, and hold in is about 20
Whoops, just looked it up. pull in is 30 amps, and hold is 10 amps.
Total starter draw should be in the range of 100-150 amps.

I thought one of the issues with the early 6V cars was that too much current was passed through the ignition switch every time it was started so the contacts wore out. Also explained the large gage wire that run back and forth to the switch. One fix is to add a solenoid to the system to eliminate the switch having to pass the high current load.

Maybe the 10-30 amps is too high for the switch too.

Either way, will adding an additional solenoid into the system help this problem?

What do the later 12V cars do? Or is it just a matter of less current for the same power because it is now at 12V instead of 6V? Electrical stuff has never been my strong suit. Can yo tell? <G>

John Jaranson
'66 Square (Sophy)
'70 Fasty (Jane 2 - Type 3 Lead Sled wannabe)
'71 Fasty (Jane -parts car due to rust)
various parts.....don't we all.

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