1999 Ford Mustang Cobra "alternator ripple" Questions

excessive ripple in alternator This would be a sign of leaking diodes and would require alternator replacement to rectify the problem.

...ripple problems indicates a bad alternator. Hope helps (remember rated this). Step 2 Connect the positive and negative clamps to the appropriate battery terminals. The clamps must make firm contact ...

...to each other. This is a procedure that must be performed with special tools. A bad alternator diode can cause this code to set due to voltage ripple. Have the alternator/charging system

...out properly. The idle could be valves,vacuum leaks,carb,any number of things You may want a grounding strap from engine to body & sub frame Check the alternator for AC Leakage (current

...stop after restarting car it flickers again??? Excess AC voltage ripple, bad diode in alternator usually cause's this . Have it check on a Oscilloscope Alternator Diode Check and AC Ripple ...

...produces "alternating current", (hence the name, 'Alternator') and that AC voltage is converted to DC by running the current through a bank of "diodes". Alternator Diode Check and AC Ripple ...

had a diode ripple but cannot identify where the problem is. We need help. Can't find anyone who can put us on the right track. A diode ripple? The diodes are in the alternator. Is it a new alternator

...alternator charging problem, diode ripple being high is possible evidence of leaking diodes. I would have liked to know what is going on with the amps doing testing also and the condition of the ...

...alternator hum all the time, trying to charge it Check for diode problems & A/C Ripple on the circuit Check all vehicle grounds (wires) If the wiring is good & the light comes on, it isn't ...

...belt. Check alternator for output 13.8V to 14.2V Check for ripple alternating voltage from worn/old alternator. Test for 0.1 volt ac at 1500 rpm Any reading over 0.1 Volt ac is a fail