The Wells Tech team has developed an array of interactive diagnostic resources and other tools to help customers find and fix virtually any common vehicle electronics issue.

If you can’t find the answer you need through the links below, please call our toll-free technical support hotline at 1-800-558-9770, Option 3, or send an email to technical@wellsVE.com. (Technical support hours: 7 a.m.-7 p.m. CST, Monday-Friday.)

Using Your Ohm Meter

Oil Pressure Switch Sensor

Temperature Conversion Calculator

Cam-Crank Sensor Testing

Ignition Coil Testing

Pick-Up Coil Testing

MAP Sensor/Bar Identification

Starter/Universal Solenoid Search

Barometric/Mass Air Flow Sensor Altitude

Fan Switch

Component Pinout Diagram Search

Engine Firing Order

Relay Search

System Schematics

Starter Switches - Industrial and Agricultural

Wells Tech

• Videos
• Technical Information
  • Testing, Specs, Diagrams
    • Using your Ohm Meter
    • Oil Pressure Switch Sensor
    • Temperature Conversion Calculator
    • Cam-Crank Sensor Testing
    • Ignition Coil Testing
    • Pick-Up Coil Testing
    • MAP Sensor/Bar Identification
    • Starter/Universal Solenoid Search
    • Barometric/Mass Air Flow Sensor Altitude
    • Fan Switch Applications Search
    • Component Pinout Diagram Search
    • Engine Firing Order
    • Relay Search
    • System Schematics
    • Starter Switches - Industrial and Agricultural
  • Acronym Search
  • OEM to EGR Valve Orifice
  • Instruction Sheets
  • CounterPoint Newsletter
  • MSDS
  • "Sure You Can!" (for OBD I vehicles)
• Trouble Codes
• Contact Us - Technical Help