mugrb
Champion Author
Michigan
Posts:5,038
Points:928,650
Joined:Sep 2007
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Message Posted: Mar 16, 2008 8:06:54 PM
I just bought a new regulator for my 2001 Ranger XLT 3.0 Liter V-6 2wd. I've been searching a lot for illustrations on where the regulator is at. Didn't find anything. I'm assuming it's the grey box on the back of the alternator where the four wired plug plugs into. It also has the heater hose resting against it as well and I don't like that. Electronics don't last long when they are hot.
It started to cut off (charging power to zilch) at about 70 mph. Here lately it's been around 60 to 65 mph. But this afternoon I notice is at slower speeds like 55, then 50 and then limped it back between 40 to 45 mph or under 2,000 rpm's. Shorts trips I don't have any problems. Long trips I notice the problem. And the longer the drive is, the worse it gets.
It is not spiking up at idle. It maintains a voltage around 13.7 volts. But it drops off to about 11.0 volts over 2,000 engine rpm's. When I drop the engine rpm's below 2,000, the voltage goes back to 13.7 volts.
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