Description

all 1st design: VIN ending in 00001 to 27372, alarm switch located in driver side front fender & alarm horn located behind driver side rear fender Note: Requires use of VPL7077 to complete wiring to front parking/turn signal lights

Additional information

Lectric Limited Part #: VHL7700FD
OEM Part #: 08916431
WebID Part #: id-vhl7700fd-0001
Weight: 1.9 lbs

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Make	Model	Years
CHEVROLET	CORVETTE	1977

Distinguishing between 1st and 2nd Design 1977 Corvettes.

Shown below is information regarding 1977 (2nd Design) Corvettes as shown in Chevrolet Dealer Service Bulletin 77-I-38, Section XII, Dated May 1977:

Subject: Anti-Theft Alarm System Interim Modifications

Several modifications to the 1977 Corvette anti-theft alarm system were introduced into production effective March 21, 1977 with VIN 1Z37X7S427373.

(2nd Design) modifications are as follows:
- The actuating switch for the alarm system is no longer located on the left (driver's side) front fender. It has been incorporated into the left front door lock and must be activated by locking this door with the key from the outside of the vehicle. This is the *ONLY* way the alarm can be set. Turning the inside knob to the locked position when exiting the vehicle *WILL NOT* activate the alarm system.

- The anti-theft alarm system horn has been moved from the left (driver's side) rear inner fender to the far left side (driver's side) of the engine compartment dash panel.

- The anti-theft alarm system flasher assembly is now located on the console trim plate, rather than the rear compartment underbody panel.

- The new anti-theft alarm system wiring diagram has been modified to reflect these changes.

Chevrolet Motor Division
General Motors Corporation

CONNECTS TO:
- Accessory Junction Block (driver side fender)
- Air Conditioning Harness Connection (with A/C)
- Alarm System On/Off Switch
- Alternator
- Brake Pressure Warning Switch
- Dash Harness Connection (at firewall)
- Engine Harness Connection (without A/C)
- Fiberoptic (front)
- Ground (to alternator)
- Ground (to driver side radiator support)
- Ground (to header support)
- Headlights (driver & passenger side)
- Horn (driver & passenger side)
- Parking Light Extension Connection (front, driver & passenger side)
- Side Marker Light (driver & passenger side)
- Temperature Sending Unit