Weak starter???

Yamahaulic · 10-18-2007, 03:40 PM

I just started troubleshooting my starter on a G9. I have 12.6 VDC on battery, and across the selenoid relay. BUT across the starter it drops to 10.5 VDC and many times does not have enough mustart to turn the primary. If I keep mashing the gas it eventually goes (sometime up to 8 tries). Any thoughts??

spriddle · 10-18-2007, 03:48 PM

Sounds like the starter/generator needs new brushes. Make abolutely sure your battery terminals are clean. This will cause what you are describing also.

crash12888 · 10-18-2007, 04:53 PM

Not only terminals but the cables and ends always get overlooked. Check them for internal corrosion which would reduce starting amps from a good battery. Then brushes.

Yamahaulic · 10-18-2007, 05:07 PM

brushes may be it. I have .8 ohm resistance from the selenoid through the switch on the gas to the battery terminal. The only voltage drop is across the motor/starter

JBDiNos · 10-18-2007, 06:30 PM

How hard is it to put new brushes in the starter? Mine need new brushes as well.

TheNewGuy · 10-18-2007, 06:50 PM

G9 starter, http://www.tntgolfcar.com/yamparts.php?diagramid=275
hope this helps.

spriddle · 10-18-2007, 08:20 PM

They are not difficult to replace at all. You might run into a little trouble keeping the brushes 'pushed in' on reinstall but that is probably it: they are spring loaded if I remember correctly. You will more than likely need an impact to get the large nut off the pulley also. Check out the diagram Ron posted.

10-18-2007, 03:40 PM	#1
Yamahaulic Not Yet Wild Join Date: Oct 2007 Posts: 4	Weak starter??? I just started troubleshooting my starter on a G9. I have 12.6 VDC on battery, and across the selenoid relay. BUT across the starter it drops to 10.5 VDC and many times does not have enough mustart to turn the primary. If I keep mashing the gas it eventually goes (sometime up to 8 tries). Any thoughts??
Yamahaulic Not Yet Wild Join Date: Oct 2007 Posts: 4

10-18-2007, 03:48 PM	#2
spriddle Admin Join Date: Dec 2006 Location: TN Posts: 102,387	Re: Weak starter??? Sounds like the starter/generator needs new brushes. Make abolutely sure your battery terminals are clean. This will cause what you are describing also.

10-18-2007, 04:53 PM	#3
crash12888 Gone Crazy Join Date: Jan 2007 Location: Chesterfield, Va Posts: 6,021	Re: Weak starter??? Not only terminals but the cables and ends always get overlooked. Check them for internal corrosion which would reduce starting amps from a good battery. Then brushes.

10-18-2007, 05:07 PM	#4
Yamahaulic Not Yet Wild Join Date: Oct 2007 Posts: 4	Re: Weak starter??? brushes may be it. I have .8 ohm resistance from the selenoid through the switch on the gas to the battery terminal. The only voltage drop is across the motor/starter
Yamahaulic Not Yet Wild Join Date: Oct 2007 Posts: 4

10-18-2007, 06:30 PM	#5
JBDiNos Gone Wild Join Date: Oct 2007 Location: Madison, Indiana Posts: 186	Re: Weak starter??? How hard is it to put new brushes in the starter? Mine need new brushes as well.

Today
BGW	Sponsored Links __________________ This advertising will not be shown in this way to registered members. Register your free account today and become a member on Buggies Gone Wild Golf Cart Forum

10-18-2007, 06:50 PM	#6
TheNewGuy Admin/Moderator Join Date: Dec 2006 Location: Ohio Posts: 18,135	Re: Weak starter??? G9 starter, http://www.tntgolfcar.com/yamparts.php?diagramid=275 hope this helps. Last edited by TheNewGuy; 10-18-2007 at 06:53 PM..
	Ron PLEASE VISIT Our Sponsors * BGW GEAR The Store The G2 Project * Swing Arm Drop & Repair * Geep1 Project

10-18-2007, 08:20 PM	#7
spriddle Admin Join Date: Dec 2006 Location: TN Posts: 102,387	Re: Weak starter??? They are not difficult to replace at all. You might run into a little trouble keeping the brushes 'pushed in' on reinstall but that is probably it: they are spring loaded if I remember correctly. You will more than likely need an impact to get the large nut off the pulley also. Check out the diagram Ron posted.

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

Similar Threads
Thread	Forum
G16+ Starter/Generator	Golf Carts and Parts