New Generation "Star Tester": Proper Connection (93-2-4)

NEW GENERATION "STAR TESTER": PROPER CONNECTION

TECHNICAL SERVICE BULLETIN

NEW GENERATION "STAR TESTER" - PROPER HOOK-UP PROCEDURE TO PREVENT COMPONENT DAMAGE

APPLICATION

Model(s): FORD: 1988-93 FESTIVA

1989-93 PROBE

LINCOLN-MERCURY: 1988-89 TRACER

1991 CAPRI

Group: Accessories

Bulletin No.: 93-2-4

Date: January 18, 1993

ISSUE:

Damage to the NGS internal circuit board could be the result of the Star Tester being connected to the TACH test connector instead of the STI connector.

ACTION:

Connect the NGS properly for testing. Do not connect the NGS STI connector to the vehicle TACH test connector. Refer to the following procedure and chart for proper tester connection.

4EAT DIAGNOSTIC CONNECTOR LOCATIONS

1991-93 CAPRI:

• 4EAT STI and STO connectors are located behind the glove compartment (above and to the right) taped to the wire harness

1990-92 3.0L:

• 4EAT STI and STO connectors are located under the instrument panel on the left hand side of the steering column near the 4EAT module.

1989 - Probe 2.2L Non-Turbo:

• 4EAT STI and STO connectors are located under the instrument panel on the left hand side of the steering column near the 4EAT module.

1990-92 Probe 2.2L Turbo:

• 4EAT STI and STO connectors are located under the instrument panel on the left hand side of the steering column near the 4EAT module.

1990-92 Probe 2.2L Non-Turbo:

• 4EAT module is integrated with the PCM control assembly and shares the same diagnostic connectors which are located on the left hand side of the engine compartment.

1993 Escort/Tracer 1.9L:

• 4EAT module is integrated with the PCM control assembly and shares the same diagnostic connector which are located on the left hand side of the engine compartment.

1993 Escort/Tracer 1.8L:

• 4EAT module is integrated with the PCM control assembly and shares the same diagnostic connectors which are located on the left hand side of the engine compartment.

1991-92 Escort/Tracer 1.8L:

• 4EAT STO connector is located on the left hand side of the engine compartment, near PCM self test connectors. The STI for 4EAT is always grounded within the TCM.

1991-92 Escort/Tracer 1.8L:

• 4EAT STI and STO pins are integrated into one diagnostic connector along with the PCM. The connector is located on the left hand side of the engine compartment.

1993 Probe 2.5L:

• 4EAT STI and STO pins are integrated into a multi pin Data Link Connector, located in the left hand front corner of the engine compartment, near the battery.

1993 Probe 2.0L:

• 4EAT module is integrated with the PCM control assembly and shares a multi pin Data Link Connector, located in the lett hand front corner of the engine compartment, near the battery.

1990-92 Probe 2.2L Turbo/Non-Turbo:

• For connector locations, refer to Fig 1 .

1990-93 Festiva 1.3L:

• For connector locations, refer to Fig 2 .

1988-89 Festiva 1.3L:

• For connector locations, refer to Fig 3 .

1989 Probe 2.2L Turbo/Non-Turbo:

• For connector location, refer to Fig 4 .