Nissan Repair: 1992 Pathfinder Wireing Problems, turn signal flasher, vacuum leak


Question
1992 Nissan Pathfinder, 3.0 V6. 4x4. 5 Spd.... I asked you about my Pathfinder, and am 100% sure your answer is not what my problem is, ive came to a conclusion, the altantor was pushing out way to many Volts, Blew the Fuse in the Radio, blew out the Rear Light bulbs, which caused the dash lights to not work, I Have Solved that Problem, but, There is also other Problems that I need some advice on, the Power Windows Do Not work, none of them, and when i turn on the Blinkers, the Green Arrow lights juz stay on, and theres no blinkers, another Problem. the Vehicle, at Idle, will Rev up, then back to idle rev to about 1300 RPM, for a split second, and drop to idle, go up n down, then sometimes it doesnt do that, any thoughts on that?

Answer
Jerry,

If the alternator was putting out too much voltage like over 14.2 that would cause lightbulbs to pop their filaments.  So, replace the bulbs that have popped.  Now, the windows are porbably the master switch on the drivers side door.  This would be my first thought on the windows.  If the car is hunting for idle it has a vacuum leak or the PCV needs to be cleaned or replaced.  Also, clean the throttle body and make sure that you have all the hoses tight on the intake.  If all the bulbs are good on the turn signals then replace the turn signal flasher.