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STEP #1 – BATTERY RESTING VOLTAGE Turn vehicle OFF & remove any isolators you have. If you have multiple batteries, test the front battery If Your Voltage Is HIGHER than 12.74v: Record your voltage in “Step #1 Results” (Car Off) Battery Resting Voltage & continue to Step #2 If Your Voltage Is LOWERthan 12.75v: Do not continue to step # 2. No further measurements can be taken. You will need to replace your battery or recharge for at least 10 hours at 10 amps to continue with troubleshooting

STEP #1 RESULTS- Car Off - Battery Resting Voltage

STEP #2 – ALTERNATOR & AMPLIFIER VOLTAGE @ IDLE (NO LOAD) Test the ALTERNATOR with the engine running @ idle & both meter leads directly on the alternator Record results in “Step #2 Results” (No Load) Alternator @ Idle Now turn your stereo ON but turn the volume all the way down Test the AMPLIFIER with the engine running @ idle & both meter leads directly on the amplifier Record results in “Step #2 Results” (No Load) Amplifier @ Idle CONTINUE TO STEP #3

STEP # 2 RESULTS - (No Load) Alternator @ Idle

Step #2 Results - (No Load) Amplifier @ Idle

STEP #3 – ALTERNATOR & AMPLIFIER VOLTAGE AT IDLE (MED LOAD) Test the ALTERNATOR with the engine running @ Idle & both meter leads directly on the alternator Turn your stereo ON and turn volume to a moderate listening level Record results in “Step #3 Results” (Med Load) Alternator Voltage @ Idle Now Test the AMPLIFIER with the engine running @ Idle & both meter leads directly on the alternator Turn your stereo ON and turn volume to a moderate listening level Record results in “Step #3 Results” (Med Load) Amplifier Voltage @ Idle CONTINUE TO STEP #4

Step #3 Results - (Med Load) Alternator Voltage @ Idle

Step #3 Results - (Med Load) Amplifier Voltage @ Idle

STEP #4 – ALTERNATOR & AMPLIFIER VOLTAGE @ 1800 RPM Test the ALTERNATOR with the engine running @ Idle & both meter leads directly on the alternator Rev your motor to 1800 RPM Record results in “Step #4 Results” Alternator Voltage @ 1800 RPM Test the AMPLIFIER with the engine running @ Idle & both meter leads directly on the alternator Rev your motor to 1800 RPM Record results in “Step #4 Results” Amplifier Voltage @ 1800 RPM CONTINUE TO STEP #5

STEP #4 Results - Alternator Voltage @ 1800 RPM

STEP #4 Results - Amplifier Voltage @ 1800 RPM

If voltage level fluctuates, note the average voltage & minimum voltage levels

STEP #5 – ALTERNATOR & AMPLIFIER VOLTAGE @ 1800 RPM

Test the ALTERNATOR with the engine running @ idle & both meter leads directly on the alternator
Turn your stereo to a high listening volume
Make sure there is no distortion & sound is clean
Record results in “Step #5 Results” (Heavy Load) Alternator @ 1800 RPM
Now Test the AMPLIFER with the engine running @ idle & both meter leads directly on the alternator
Turn your stereo to a high listening volume, but make sure there is no distortion & sound is clean
Record results in “Step #5 Results” (Heavy Load) AMPLIFIER @ 1800 RPM
CONTINUE TO STEP #6

STEP #5 RESULTS - (Heavy Load) Alternator @ 1800 RPM

STEP #5 RESULTS - (Heavy Load) AMPLIFIER @ 1800 RPM

If voltage level fluctuates, note the average voltage & minimum voltage levels

STEP #6 - (Med-Heavy Load, Car Off) Battery Voltage

Turn vehicle off
Turn stereo to moderate to high listening level
Monitor the AVERAGE voltage at the front battery for one minuet
Record in “Step 6 Results” (Med-Heavy Load, Car Off) Average Battery Voltage
Now Monitor the MINIMUM voltage at the front battery for one minuet
Record in “Step 6 Results” (Med-Heavy Load, Car Off) Min Battery Voltage

STEP #6 RESULTS - (Med-Heavy Load, Car Off) Average Battery Voltage

STEP #6 RESULTS -(Med-Heavy Load, Car Off) Min Battery Voltage

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