Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1991 Eagle Summit Base, 2D Hatchback, StandardFACTORY OEM SERVICE PROCEDURE
Ignition Timing
- Locate ignition timing adjustment connector. See IGNITION TIMING ADJUSTMENT CONNECTOR LOCATIONΒ table. Connect jumper wire between ignition timing adjustment connector and ground. Check ignition basic timing.
- If ignition basic timing is not within specification, loosen distributor (or crank angle sensor on engines with dual coil assembly) and rotate to adjust timing if necessary. See IGNITION TIMING SPECIFICATIONSΒ
table. Disconnect jumper wire from ignition timing adjustment connector.IGNITION TIMING SPECIFICATIONS (Degrees BTDC@RPM)
Application (1) Basic (1)(2) Actual 1.5L Colt, Colt 200 Mirage & Summit 5 @ 650-850 10 @ 650-850 1.6L Mirage 5 @ 650-850 8 @ 650-850 1.8L Eclipse 5 @ 600-800 10 @ 600-800 2.0L Colt Vista & Galant (VIN V) 5 @ 600-800 10 @ 600-800 Eclipse 5 @ 650-850 8 @ 650-850 Galant VIN R 5 @ 650-850 8 @ 650-850 VIN U 5 @ 650-850 12 @ 650-850 2.4L Pickup & Ram-50 5 @ 650-850 8 @ 650-850 3.0L Montero, Pickup, Ram-50 Stealth & 3000GT 5 @ 600-800 15 @ 600-800 (1) Transmission in Park or Neutral. (2) Actual timing may fluctuate. IGNITION TIMING ADJUSTMENT CONNECTOR LOCATIONApplication (1)(2) Wire Color Location Colt, Colt Vista, Colt 200, Mirage & Summit 1.5L, 1.6L & 2.0L Yellow/Red (3) Eclipse 1.8L & 2.0L (Except Turbo) Yellow/Red (4) 2.0L Turbo Yellow/Black (4) Galant 2.0L Yellow/Red (5) Montero 3.0L White/Yellow (4) Pickup & Ram-50 2.4L Black/Blue (6) 3.0L White/Yellow (6) Stealth (SOHC) 3.0L White/Yellow (4) Stealth & 3000GT (DOHC) 3.0L (Non-Turbo) Black/Green (4) 3.0L (Turbo) White/Yellow (4) (1) Remove waterproof female connector (if equipped) for access to wire. (2) Ground connector at wire end for basic timing adjustment. (3) On main wiring harness, near center of firewall. (4) On main wiring harness, near wiper motor on firewall. (5) On main wiring harness, near master cylinder on firewall. (6) Between right shock tower and firewall.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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