[Juggernaut]

I finished my Cobra March of 2008. I'm running a Summit 100 amp 1 wire alternator (internal regulator) on my 289 and ever since it's been on the road, my volt guage always read 11, sometimes a little lower.

Yesterday while on a cruise & after about four stops, I noticed the volts were down to about 10. Stopped for lunch, went to leave & it wouldn't start but cranked real slow. After a jump start, it started fine but the volts were at 10 & never went up. Never happened before but this is the first time it had that many starts on it in one day and it's the most I've driven it in one day (200 miles). All my other trips were around the local area & didn't stop & restart the engine that many times.

Today I checked all the grounds & they appear good.

So, I charged the battery to 12.04 volts today, started it, took it to 1500 RPM's then to 2000 RPM's and checked the voltage at the started solenoid on the firewall where the alternator hooks up. It read 12.04 at both 1500 & 2000 RPM's. I believe it should be about 13.8 or so? I also checked the volts at the battery while it was at 1500 RPM's & it was at a steady 12.04 also.

Is my next step to have the alternator bench checked? Should I just go ahead & replace it? I'm certainly no brainiac when it comes to electrical issues.

Could I get a 100 amp one wire alternator (internal regualtor) from NAPA that would fit the 289 or would I have to order it through a catalog?

Thanks in advance for any help you guys can give me.

Randy