Starter clicks despite 12.4v.

[Geoff 2]

That must be a realllllllllllllly 'special' battery & starter that cranks 'just fine' with 10 volts......

 

[WileE]

New aftermarket starter. That says it all. Get the starter rebuilt by a knowledgeable, reputable rebuilder.

 

[3sloppydogs]

Everything that Bob said and additionally the two stationary contacts can be loosened and turned 180 to provide new contact area

 

[RJRENTON]

New aftermarket starter. That says it all. Get the starter rebuilt by a knowledgeable, reputable rebuilder.

Most, if not all "mini or compact" new starters use rare earth permanent magnets in lieu of wound field coils, to reduce physical size and therefore deliver more amps to the armature for greater starting torque. ......just thought you might like to know the reason....
BOB RENTON

 

[WileE]

Most, if not all "mini or compact" new starters use rare earth permanent magnets in lieu of wound field coils, to reduce physical size and therefore deliver more amps to the armature for greater starting torque. ......just thought you might like to know the reason....
BOB RENTON

I'd assumed it was the original configuration. OP did not indicate it is a mini/compact starter.

 

[RJRENTON]

I'd assumed it was the original configuration. OP did not indicate it is a mini/compact starter.

Doesn't matter.....both have the main current carrying contacts on the back of the solenoid, which operates the "Bendix" and engages the drive AND powers the motor....same principle.....
BOB RENTON

 

[Sinitro]

The major challenge for reliable starter operation is adequate current availability not voltage..
If U monitor the current when activating the starter, one will see the starter can pull from 50 amps to 75 amps, but the battery voltage typically will decrease below 12V...

Just my $0.02...

 

[Geoff 2]

'adequate current availability not voltage'........

There is NO current flow without voltage. And the current that the starter draws is a looooot more than 75 amps, actually several hundred amps when cranking.