Why Pin J1-3 doesn't equal Pack Voltage on Curtis 1268-5403 Controller?
- HHoward SheltonAug 27, 2025
If pin J1-3 does not equal Pack Voltage on your Curtis Controller, check the wiring and Walkaway Fuse for an open condition.

Why Pin J1-3 doesn't equal Pack Voltage on Curtis 1268-5403 Controller?
If pin J1-3 does not equal Pack Voltage on your Curtis Controller, check the wiring and Walkaway Fuse for an open condition.
What to check if Pin J1-10 With F/R Switch in Forward is not Pack Voltage on Curtis Controller?
If pin J1-10 With F/R Switch in Forward does not equal Pack Voltage on your Curtis Controller, check the wiring and F/R Switch for an open condition.
How to troubleshoot Pin J1-2 With Charger Disconnected not being Pack Voltage on Curtis Controller?
If pin J1-2 With Charger Disconnected is not Pack Voltage on your Curtis Controller, check the wiring and charger interlock switch for an open condition.
What to do if Pin J1-1 With Key Switch Off is not 0 volts on Curtis 1268-5403?
If pin J1-1 With Key Switch Off is not equal to 0 volts on your Curtis Controller, inspect the wiring and Key Switch for a shorted condition.
| Brand | Curtis |
|---|---|
| Model | 1268-5403 |
| Category | Controller |
| Language | English |
Tests the resistance of motor windings (A1-A2, F1-F2, A1-F1, F1-Motor Case) before controller installation.
Verifies main solenoid coil resistance and connection before controller installation.
Checks cart wire harness connectors for corrosion, looseness, or damage.
Outlines conditions under which the controller warranty will be void.
Measures pack voltage at J1-4 and checks charger interlock at J1-2.
Tests key switch operation at J1-1 and main contactor output at J1-17.
Checks F/R switch inputs (J1-10, J1-11) and pedal switch inputs (J1-8).
Tests reverse alarm signal (J1-19) and optional pin J1-13.
Verifies throttle position (J1-15) and speed sensor signals (J2-4, J2-6, J2-5).
Diagnoses optional features like Walkaway, Brake Light, Mode Switch, and LEDs.
Lists LED fault codes, their display names, explanations, and possible causes.
Continues the troubleshooting chart for additional LED fault codes and causes.
Explains how to interpret the controller's built-in status LED and fault codes.
Emphasizes the importance of motor resistance and main solenoid checks to prevent damage.
Provides contact information and links for technical support, FAQs, and forums.
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