XS Power XSP310-313 Controller and Harness for GM "D" & "AD" 4 Pin Alternators (1995 to 2008), Red Display
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What's Inside?
- • Controller and Harness
- • Owner's Manual
Precision VCM Controller & Harness for GM Alternators
Give your GM charging system smarter voltage control with the XS Power XSP310-313. Engineered for GM “D” and “AD” 4-pin alternators from 1995–2008, this VCM controller and harness makes it easy to configure charging voltage for 12V, 14V, or 16V electrical setups while staying within programmed limits.
Frequently Asked Questions (FAQ)
- • Why does my XSP310-313 not work with my alternator?
The XSP310-313 is designed for GM D/AD 4-pin alternators from 1995–2008. Checking the actual alternator plug is important before installation.
- • Can I use it with a 2-pin alternator?
Not every alternator with a similar-looking connector is compatible. Users have specifically been advised to verify the alternator type and pin configuration before buying a VCM.
- • Does XSP310-313 control voltage or only display it?
It does both. The VCM lets you adjust alternator output while also providing a digital voltage reading from the dash.
- • Can I run more than one alternator with this VCM?
No. JEGS confirms the XSP310-313 is intended for one alternator, so multiple-alternator setups require a different solution.
- • Why won't my voltage reach the setting I selected?
The actual output can vary depending on the alternator and system configuration. The XSP310-313 has different limits for 12V versus 14V/16V applications.
- • Can the XSP310-313 be used with an aftermarket alternator?
Yes. The product is listed as compatible with both stock and aftermarket alternators, provided the alternator matches the required application.
- • Why are people confused about which XS Power VCM to buy?
The XSP310-311, XSP310-312, and XSP310-313 use different alternator harness applications. The 313 is specifically for GM D/AD 4-pin alternators.
- • Can I use the XSP310-313 for a 16V electrical system?
Yes. It supports 12V, 14V, and 16V systems, with the higher-voltage settings allowing adjustment up to 19.5V.
- • Why does my VCM installation look correct but still not function?
A correct-looking installation can still have the wrong harness or alternator application. Real users have recommended confirming the alternator model and connector before troubleshooting the controller itself.
- • Is the XSP310-313 useful for high-output car-audio builds?
Yes. Users have incorporated the controller into systems with high-output alternators and large audio setups, using it to manage charging voltage for the electrical system.
Features:
- Operating voltage: 10~20 volts
- 12V battery dip switch setting: 14.2 (variesdepending on alternator) to 15.2 volts (programmed limit)
- 14V & 16V battery dip switch setting: 14.2(varies depending on alternator) to 19.5 volts(programmed limit)
- UPC: 692209015246
- Weight: 0.5
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
