MIGHT NOT BE SO BAD!
YOU ARE LOOKING AT A $5 TO $20 VOLTMETER---IN SOME CASES A CHEAP TEST LIGHT MIGHT DO THE TRICK.
ONCE YOU ISOLATE THE "FUSE" OR REALLY THE "CIRCUIT", WE COULD POSSIBLY SEND YOU A WIRING DIAGRAM OF WHAT COMPONENTS ARE "IN" THAT CIRCUIT.....DOING THIS MIGHT SHOW A RELAY OR OTHER CHEAP DEVICE AS BEING THE PROBLEM.
OVER TIME, I HAVE LEARNED, IN SEVERAL CASES, THAT A "BAD ALTERNATOR" HAS BEEN THE PROBLEM. WHILE CHECKING FOR THIS POSSIBILITY. THE "PARASITIC DRAIN" NORMALLY MADE THE VEHICLES "UN-START-ABLE" EACH MORNING---THEY COULD BE RECHARGED OF JUMPED OFF AND WOULD RUN.
THE ACTUAL "TEST" FOR THIS (FOR ME) HAS BEEN TO PARK THE FULLY CHARGED VEHICLE, THEN REMOVE ALL OF THE WIRES FROM THE ALTERNATOR AND INSURE NONE ARE TOUCHING ANYTHING ELSE. LET IT SIT OVERNIGHT OR LONGER. IN MOST CASES, I COULD START THE CAR WITHOUT EVEN RECONNECTING THE ALTERNATOR, THUS PROVING THE ALTERNATOR WAS THE DRAIN, SIMPLY BECAUSE THE BATTERY "SURVIVED" THE NIGHT, AND REMAINED CHARGED.
THIS IS SOMETHING TO TRY BEFORE SNATCHING IT OFF AND HAVING IT TESTED AT A POPULAR AUTO PARTS STORE, OR NEEDLESSLY BUYING A NEW ONE.
THE MEDIC
Jun 12, 2012 at 10:42 AM