What kind of golf cart diagnostics do you provide?

We provide practical diagnostic guides, discharge curves, controller pinouts, and fault-code references for major brands like Club Car, EZGO, Yamaha, and aftermarket systems.

Are your repair guides based on real-world testing?

Each diagnostic guide is built from OEM service information, multimeter specs, pinout voltage charts, parts diagrams, and repeat owner-reported repair patterns.

Do you have tools to identify my golf cart?

Yes. Our free tools decode Club Car, EZGO, and Yamaha serial numbers to find your year and configuration, and estimate range, speed, and value based on real specifications.

Golf Cart Diagnostics, Guides & Tools | Golf Cart Lab

Golf Cart Diagnostics

Golf Cart
Diagnostics & Repair

Free diagnostic guides for electric and gas golf carts. 310 step-by-step walkthroughs covering Club Car, E-Z-GO, Yamaha, Evolution, ICON and more, with the voltage readings, fault codes and test procedures needed to find the fault before spending money on parts.

Diagnostic Lab Tools

Navitas Club Car EZGO Eco Battery Alltrax DoubleTake Yamaha Trojan

Tools & Calculators

Value Calculator

Free used, trade-in, and resale price estimates by brand, year, and condition, built on real market data.

Calculate

Serial Number Lookup

Decode any Club Car, EZGO, or Yamaha serial number to find the exact year, model, and voltage in seconds.

Decode

E-Z-GO Year & Model

Enter your E-Z-GO serial number to pinpoint the model year, TXT/RXV platform, and drivetrain instantly.

Look Up

Golf Cart Diagnostics // Archival Access

Diagnostic Guides

Every repair and fault-diagnosis guide, searchable by system: power, drive, controllers, switching, and chassis.

Explore

Parts & Compatibility

Aftermarket batteries, controllers, motors, lift kits, and tires, with the fitment checks that actually matter.

Explore

Golf Cart Brands

Model histories, common problems, and buying notes for Club Car, EZGO, Yamaha, ICON, and more.

Explore

Upgrades: Worth It?

Honest verdicts on lithium, speed, lift, sound, and lighting upgrades, with the real cost and payback.

Explore

Comparisons

Head-to-head breakdowns of brands, batteries, controllers, speed, and range to settle the decision.

Explore

Owner Tools

Serial decoders, range and speed calculators, and fitment tools built around real cart specs.

Explore

Popular Diagnostics

Repair guides for the problems that stop carts cold

These guides walk through the faults that strand carts most often, from weak packs and bad solenoids to tow/run switch issues, fuel starvation, and parasitic battery drain.

All repair guides

EZGO TXT reed switch bypass charger receptacle wiring

EZGO TXT Reed Switch Bypass for Consistent Battery Charging

Learn how to perform an EZGO TXT reed switch bypass in 20 minutes. Fix charger receptacle failures and restore consistent battery charging with our step-by-step.

Open guide

EZGO RXV golf cart that has entered reduced speed limp mode

EZGO RXV Brakes Locking Up: Causes and Electronic Brake Reset Guide

Learn why your EZGO RXV brakes are locking up. Our technical lab guide covers the IntelliBrake system, electronic brake reset sequences, and motor brake.

Open guide

Evolution golf cart touchscreen dash display used to read an error code

Evolution Golf Cart Error Codes: Read & Fix Guide

Evolution golf cart error code or dash warning? Learn how to read battery, charger, throttle, brake, speed and controller faults before clearing them.

Open guide

Club Car wiring diagram used to bypass the OBC for a smart charger

Club Car Bypass OBC (On-Board Computer) for a Smart Charger

Upgrading your charger? Here are the practical ways to perform a Club Car bypass OBC procedure to enable modern smart charging telemetry.

Open guide

EZGO TXT stuck gas pedal throttle linkage cart

EZGO TXT Stuck Gas Pedal: Throttle Linkage and Spring Adjustment

Is your EZGO TXT stuck gas pedal causing safety concerns? Here are the practical ways to adjust throttle linkage and return springs for a smooth ride.

Open guide

EZGO gas cart sputters and dies at full speed fuel pump engine bay

EZGO Gas Cart Sputters and Dies at Full Speed: Fuel Delivery Fixes

Is your EZGO gas cart dying at high speeds? Here are the practical ways to fix fuel delivery issues and stop engine sputtering for good.

Open guide

EZGO RXV motor brake assembly mounted on the rear electric drive motor

EZGO RXV Motor Brake Guide: Fixing “Roll-Away” & Lock-Ups

A practical guide to the EZGO RXV motor brake: why the cart rolls away or locks up, how the electronic brake works, and the steps to diagnose and fix it.

Open guide

Evolution golf cart lithium battery pack used to diagnose battery problems

Evolution Golf Cart Lithium Battery Problems (BMS): Fix

Evolution lithium battery not working, cutting out, or refusing charge? Diagnose BMS sleep, pack voltage, cable heat, voltage sag and charger wake.

Open guide

Evolution golf cart dash and power switch checked when the cart wont turn on and has no power

Evolution Golf Cart Won’t Turn On (No Power): Fix

Evolution golf cart completely dead with no dash or lights? Check the lithium battery, BMS, disconnect, main fuse, converter and key switch feed.

Open guide

All repair guides

Data_Integrity

Why Golf Cart Owners Trust Our Diagnostics

Data Driven

No guesswork. Every golf cart diagnostics guide is backed by multimeter specs, pinout voltage charts, and real hardware testing.

Evidence Checked

Procedures checked against service manuals, parts diagrams, multimeter readings, and repeat owner-reported failures.

Live Database

Updated as new fault-code patterns, lithium BMS issues, charger behavior, and controller notes are documented.