XS Power XSP313 Harness for GM "D" & "AD" 4 Pin Alternators (1995 to 2008)
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What's Inside?
- • 4 Pin Alternators
- • Owner's Manual
Performance GM D/AD 4-Pin Alternator Harness
Give your GM charging system a dependable connection with the XS Power XSP313. Specifically designed for GM “D” and “AD” 4-pin alternators from 1995–2008, this purpose-built harness helps provide a clean, reliable setup for performance-oriented electrical systems.
Frequently Asked Questions (FAQ)
- • Why doesn't the XSP313 fit my alternator plug?
The XSP313 is made specifically for GM D and AD 4-pin alternators from 1995–2008. A different connector can cause fitment problems.
- • Can I use XSP313 as a simple wiring adapter?
Yes. A JEGS customer specifically asked about using it as an adapter, and the response confirmed it can be used without the voltage-control module when the application requires it.
- • Why does my harness need modification?
Although advertised for GM 4-pin applications, some listings describe the harness as universal and note that adaptation may be required for certain vehicle setups.
- • Will XSP313 work with an XSP310 controller?
Yes. XS Power designed the XSP313 as the connection between an XSP310 or XSP320 controller and a compatible GM alternator.
- • Can I connect XSP313 to an XSP320?
Yes. The harness is also intended for XS Power XSP320 digital voltage controllers when paired with the correct GM alternator.
- • Why isn't my VCM working after installing the harness?
A wrong alternator application or connector can prevent proper operation. Verify that the alternator is the required GM D/AD 4-pin type before troubleshooting the controller.
- • Does XSP313 control alternator voltage by itself?
No. The XSP313 is only the wiring harness; the XSP310 or XSP320 controller provides the voltage adjustment.
- • Can I use this harness on a 12V system?
Yes, when paired with a compatible VCM and alternator. The related VCM system supports 12V applications, with voltage limits configured through the controller.
- • What if my alternator has a different 4-pin connector?
Don't assume all 4-pin plugs are interchangeable. The XSP313 is specifically listed for GM D/AD 4-pin alternators, so connector style and alternator application should both be confirmed.
- • Is XSP313 difficult to install?
It is designed as a plug-in connection for compatible applications, but some vehicles may require minor adaptation. Checking the connector before installation can prevent unnecessary rewiring.
Features:
- GM D/AD Compatible: Designed for 1995–2008 GM 4-pin alternators.
- Purpose-Built Harness: Made specifically for compatible GM charging applications.
- Reliable Connection: Helps provide a secure alternator connection.
- Performance Ready: Ideal for upgraded automotive electrical systems.
- OEM-Focused Fit: Designed around the requirements of GM D/AD alternators.
- Built to Perform: A practical solution for dependable charging-system integration.
- UPC: 692209015178
- Weight: 10
- 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.
