Need to Access the Technical Wiring Resources & Reference Library?
Access the information needed to make wiring projects faster, cleaner, and more accurate. VTI’s Technical Wiring Resources provide trusted diagrams, pinouts, and documentation to help with installation, troubleshooting, and custom electrical integration. Whether you're building a race setup, swapping an engine, or working with standalone ECUs, these resources help ensure every connection is done correctly.
BrowseNews Releases & Informational
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Honda Prelude SH ATTS Wiring Issue – 14-Pin Con...
A diagnostic case study covering a 2000 Honda Prelude SH ATTS chassis wiring issue involving dual 14-pin engine bay connectors during H-Series subharness installation, and how proper connector identification restored...
Honda Prelude SH ATTS Wiring Issue – 14-Pin Con...
A diagnostic case study covering a 2000 Honda Prelude SH ATTS chassis wiring issue involving dual 14-pin engine bay connectors during H-Series subharness installation, and how proper connector identification restored...
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The Electrical Side of Honda Engine Swaps: Chas...
Understanding Honda engine swaps goes beyond the engine harness. This guide breaks down chassis signal mapping, OBD differences, tach integration, MIL routing, and VSS communication to explain why proper subharness...
The Electrical Side of Honda Engine Swaps: Chas...
Understanding Honda engine swaps goes beyond the engine harness. This guide breaks down chassis signal mapping, OBD differences, tach integration, MIL routing, and VSS communication to explain why proper subharness...
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Why Shield Strategy Matters in Honda Distributo...
Proper shielding of CKP, TDC, and CYP signals in Honda OBD1 distributor systems is critical for stable ignition timing, clean RPM sync, and long-term reliability. Here’s why most aftermarket harnesses...
Why Shield Strategy Matters in Honda Distributo...
Proper shielding of CKP, TDC, and CYP signals in Honda OBD1 distributor systems is critical for stable ignition timing, clean RPM sync, and long-term reliability. Here’s why most aftermarket harnesses...
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Street-Spec vs Blackline: Choosing the Right VT...
What’s the difference between VTI Street-Spec and Blackline mil-spec harness systems? Both use true motorsport-grade materials — but the execution intent, aesthetic philosophy, and labor depth set them apart.
Street-Spec vs Blackline: Choosing the Right VT...
What’s the difference between VTI Street-Spec and Blackline mil-spec harness systems? Both use true motorsport-grade materials — but the execution intent, aesthetic philosophy, and labor depth set them apart.
Technical Guides
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GM 13577379 Flex Fuel Sensor Wiring & Hondata S...
Complete GM 13577379 flex fuel sensor wiring and Hondata S300 V3 setup guide for OBD1 Honda platforms. Covers pinout, mounting, digital input wiring, and converter options.
GM 13577379 Flex Fuel Sensor Wiring & Hondata S...
Complete GM 13577379 flex fuel sensor wiring and Hondata S300 V3 setup guide for OBD1 Honda platforms. Covers pinout, mounting, digital input wiring, and converter options.
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OBD1 P28 Boost Controller Wiring & Hondata S300...
Complete boost controller wiring and setup guide for OBD1 P28 with Hondata S300. Covers MAC 3-port and 4-port solenoids, interrupt-style plumbing, C101 integration, PWM configuration, closed-loop setup, and proper fail-safe...
OBD1 P28 Boost Controller Wiring & Hondata S300...
Complete boost controller wiring and setup guide for OBD1 P28 with Hondata S300. Covers MAC 3-port and 4-port solenoids, interrupt-style plumbing, C101 integration, PWM configuration, closed-loop setup, and proper fail-safe...
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T1 4-Pin Cam/Crank Sensor Wiring Guide (Mil-Spec)
Complete mil-spec wiring guide for the T1 4-pin cam/crank sensor. Learn proper 12V power strategy, shield termination, and why drain wire should never be used as ground in professional harness...
T1 4-Pin Cam/Crank Sensor Wiring Guide (Mil-Spec)
Complete mil-spec wiring guide for the T1 4-pin cam/crank sensor. Learn proper 12V power strategy, shield termination, and why drain wire should never be used as ground in professional harness...
