Radio - Delco-LOC II Setting Procedure Information: Overview

91olds03

NUMBER: 91-T-54

CORP.REF.NO: 039005

DATE: February 1991

SECTION: 9A


SUBJECT: NEW "DELCO-LOC II" OPTION U1C SETTING PROCEDURE INFORMATION


MODELS/YEARS 89-90 NINETY-EIGHT, 89-91 EIGHTY-EIGHT AND CUTLASS SUPREME,
90-91 CUTLASS CALAIS AND SILHOUETTE, 91 CUSTOM CRUISER


APPLICATION INFORMATION:
The following information updates all existing Service Manual information.

The procedures below explain how to operate the Delco LOC II security system. This includes entering and removing customer codes, unlocking the radio, obtaining the factory display code, and obtaining the factory backup code.

GENERAL INFORMATION:
Different model radios use different buttons to set the codes into the radio. To determine which two buttons to use, determine if the radio has a seek button, a seek up/down button, or no seek button at all.

If the radio has a seek button, use seek and scan to set the codes as described below.

If the radio has a seek up/down button, use seek up/down and tune up/down to set the codes and substitute these buttons for seek and scan in the procedures below.

If the radio has no seek button, use tune down and tune up to set the codes and substitute these buttons for seek and scan in the procedures below.

Different model radios have different functions attached to the radio presets. Below is the present configuration of dual functions depending on the radio having a seek button, seek up/down or no seek button at all.

SEEK BUTTON: Presets 1 (PREV), 2 (NEXT), 3 (REV), 4 (FF), 5 (COMP)
SEEK UP/DOWN: Presets 1 (PREV), 2 (NEXT), 3 (REV), 4 (FF), 5 (COMP)
NO SEEK: Presets 1 (REV), 2 (FF), 3 (COMP), 4 (REPT) 5 (SRCH), 6 (SCAN)