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Important Safety Notice

Professional installation is strongly recommended. Always verify all wires with a digital multimeter before making any connection. Disconnect the negative battery terminal before installation.

Required Tools

Basic Wiring

Most universal push button start systems require: 12V Constant, ACC, IGN1, IGN2, START, Brake Input, Ground, Parking Light, Door Lock, Door Unlock.

Immobilizer Warning

Many vehicles use factory immobilizer systems: GM Passlock, Ford PATS, Toyota Transponder, Honda Immobilizer, Chrysler SKIM. A bypass module may be required.

Installation Overview

STEP 1: Disconnect battery
STEP 2: Remove steering column covers
STEP 3: Identify ignition wires with multimeter
STEP 4: Connect push button start module
STEP 5: Install push button
STEP 6: Connect brake input
STEP 7: Install immobilizer bypass if needed
STEP 8: Test system

GM Vehicle Guides

1995 GMC JIMMY

No immobilizer Wire colors: 12V RED, ACC ORANGE, IGN PINK, START YELLOW.

1999 Chevrolet Silverado

Passlock Bypass required. Wire colors: 12V RED, ACC ORANGE, IGN PINK, START YELLOW.

Ford Vehicle Guides

1998 Ford Explorer

PATS Bypass required. Wire colors: 12V LIGHT GREEN/PURPLE, ACC BLACK/GREEN, IGN GREEN/PURPLE, START RED/LIGHT BLUE.

2004 Ford F-150

PATS equipped Use quality bypass module.

Universal Troubleshooting

Engine cranks but no start: Missing immobilizer bypass or incorrect IGN wire.
Push button does nothing: No constant 12V, blown fuse, or ground issue.
Starts then shuts off: Immobilizer bypass failure (Passlock/PATS/SKIM).

Recommended Practices

DO: Solder connections, use heat shrink, secure harnesses.
DO NOT: Twist-and-tape, use cheap test lights, route wires near pedals.

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Technical Support

Contact us at support@efhips.com with vehicle year, make, model, engine size, and issue description.

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