Wire Harness installation instructions
Instrucion de instalar Ploga de 2 o 3 cables
English and Spanish / Ingles y Espanol
External Voltage Regulator (English)
Regulador de Voltaje External instructions (Espanol)
Long Version, Detailed Video
PLEASE TAKE A COUPLE MINUTES TO READ BEFORE INSTALLATION
MANY COMMON QUESTIONS ARE ANSWERED BELOW AND WILL SAVE
YOU HOURS OF WAIT TIME.
Belt size and tension:
A smaller diameter pulley is normally supplied unless otherwise stated to ensure you receive the maximum idle output. DO NOT SWAP OUT ANY PARTS FROM OUR UNIT OR YOUR WARRANTY IS VOID! A shorter belt is usually required unless your belt tension can accommodate, USUALLY AROUND HALF INCH SHORTER. Ensure you belt tension is tight as well. Slippage of a loose belt will cause alternator not to function properly and will cause Premature failure.
Alternator positive cable that runs to the positive terminal of the battery.
We recommend adding a 4th ground cable which runs from the clean part of the alternators REAR casing (aluminum exposed) to vehicles chassis for increased voltage output. Some powder coated units will see a low voltage or NO voltage until an extra ground cable is added. Ground Lugs have been strategically placed for your usage on our Powder Coated units.
Powder coated units:
Powder coat on alternators is a “ground killer”. Most assume the alternator is not working if above has not been completed properly. Proof of voltage and amperage output was sent to show that we shipped you a functioning alternator. If your unit is not charging or has LOW voltage, you need to verify that you did the above steps correctly. Most of the time, we find that a step was skipped such as the extra ground from ALTERNATOR TO CHASSIS, so we added a ground lug for an added ground option.
Charging low voltage or NOT Charging once installed:
See “Big 4” and Belt size and tension topics above. Most issues are resolved with the first 2 steps.
Testing your alternator to verify output:
If you do not have a Clamp meter for voltage or amperage testing, please purchase one. They are very inexpensive and safest way to test voltage and amperage of your alternator.
Please DO NOT disconnect your alternator from battery while car is running to test your alternator. This is the quickest way to do damage to your newly installed unit (and we can tell). Doing so voids your Warranty.
Self Energizing Alternators / 1 Wire alternators:
If you ordered your alternator as a self energize or 1 wire, please remember that you no longer need to use the cars harness that was once plugged into your old alternator. This harness can be “tucked” away. Only connect positive battery cable to positive post on alternator and you are ready to go.
Voltage bypass or PCM/ECU bypass:
Unless otherwise quoted or instructed, our units come supplied with the OEM Voltage output for PLUG and PLAY alternators. Voltage settings quoted are already built into the Voltage regulator inside the alternator. A reminder that PCM and ECU type vehicles means that your vehicles “brain/computer” controls the voltages. If you are looking to bypass your PCM or ECU control, those options are available, just contact us and we can customize a Voltage setting for your and your Batteries.
If you need any technical assistance, please call us first. For some reason, people seem to want to ask total strangers on social media about others products for help. Let US help YOU. A simple telephone call, email or message helps us to work with you best.
Technical Support web sites:
www.facebook.com/atetechnicalsupport (online support is available)
youtube: Autotech Engineering
1110 Palmyrita Avenue UNIT 110, Riverside, California 92507, United States
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