When I start my jeep in the morning the voltmeter will read 10 volts. The lights will be dim and the turn signals will blink slowly. When I raise the RPM to 1,100 the volts will go up to normal and the lights will work fine but will not stay there if I lower the RPM. When I drive it around for about 15 minutes and get the jeep up to operating temp the volts will read normal and lights work fine at idle RPM. The strange thing is that this never occurs in the summertime when it is warm out. Only in the colder months when it gets down to 40 degrees do I have this problem. I had battery and alternator tested at Autozone and everything was fine. However, next morning the same problem occured. Now that it is warm out I have no problem whatsoever with the charging system. What gives?
1989 XJ
4.0
31X10.5X15 Big Foot XT's
Dana 30 front TruTrac
Dana 44 rear PowerTrax Noslip
1989 XJ
4.0
31X10.5X15 Big Foot XT's
Dana 30 front TruTrac
Dana 44 rear PowerTrax Noslip