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Section I
Lighting System
ATTENTION
Before performing any Service Operation or other procedure described in this Section, refer to Section 00
CAUTIONS AND NOTES for correct workshop practices with regard to safety and/or property damage.
1 General Information............................................................................................................................... 2
2 HSV Rear Spoiler ...................................................................................................................................3
2.1 Service Operations.................................................................................................................................................3
Centre High Mounted Stop Lamp Removal and Replacement...........................................................................3
Centre High Mounted Stop Lamp Installation......................................................................................................3
3 Instrumentation...................................................................................................................................... 5
3.1 General....................................................................................................................................................................5
4 Parking Sensors .................................................................................................................................... 6
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1 General Information
The electrical system as fitted to the HSV GTO and GTS Coupe Series 2 Models carries over from Holden V2 Coupe
Series Models. Refer to the relevant information in Section 12 of the Holden V2 Coupe Series Service Information.
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2 HSV Rear Spoiler
The HSV GTO and GTS Coupe Series 2 Models are fitted with Rear Spoilers incorporating a Centre High Mounted Stop
Lamp (CHMSL).
2.1 Service Operations
To service the HSV Coupe Deck Lid Spoiler Mounted Stop Lamp the following procedure is to be followed.
Centre High Mounted Stop Lamp Removal and Replacement
1. Open Deck Lid.
2. Disconnect vehicles Battery Leads.
3. Remove the Deck Lid inner trim retainers and trim panel.
4. Disengage the Centre High Mounted Stop Lamp (CHMSL) Harness Connector from the Deck Lid Harness
Connector, this is mounted on the right hand side of the Deck Lid Inner Panel. Refer to Drawing No. EOI-010009
View A, refer Section B Body of this service information
5. Remove CHMSL Wires and Terminals from the CHMSL Connector taking note of the wire colours and their
locations.
6. Remove the two Lamp Retaining Screws.
7. The Lamp wiring passes through a CHMSL gasket and a grommet located in the Deck Lid Outer Panel (under the
spoiler). The wire is sealed to the grommet with Urethane Sealer, this seal between the grommet and the wire must
be broken to allow the lamp wiring to move. This will allow free play in the wiring so the lamp can be pulled out of its
mounting cavity in the Spoiler giving access to the wiring at the rear of the lamp.
8. Cut the Lamp wiring leaving a 50mm length of wire protruding from the Spoiler and discard the lamp and gasket.
9. Strip 12mm of insulation off the end of the two lamp wires now protruding from the spoiler lamp cavity and tin with
solder.
Centre High Mounted Stop Lamp Installati on
1. Install the Lamp Gasket to the lamp with the wiring passing through its access hole.
2. Strip 12mm of insulation off the end of the replacement lamp wires and solder join these to the cut original lamp
wires protruding from the Spoiler. Ensure that an excess of solder is not used, but the joint is strong as it will be
used to pull the wires from the new lamp through the Rear Spoiler and Deck Lid Outer Panel using the original lamp
wires.
3. Carefully pull the wires through the Spoiler and Deck Lid Outer Panel while feeding the new lamp wiring through. Do
not use excessive force if the wiring stops or appears to snag. If this is encountered the Spoiler will have to be
removed to reinstall the wiring and lamp assembly. Refer to Drawing No. E0I-030007 and E0I-030008 refer to
Section B Body of this information. Ensure that the new Lamp Gasket is located between the Lamp Base and the
bottom of the Spoiler Recess and is not kinked or buckled, and that the wiring passes through the access hole in the
Gasket.
4. Install the Lamp and Gasket into the Spoiler Recess.
5. When inserting the CHMSL into the Recess take care not to damage the wiring and gasket, fasten the attaching
screws.
6. Once installed cut the CHMSL wires to a length that allows the wires to run to the Connector located on the Deck
Lid Inner Panel.
7. Strip the insulation off the wires and attach the new Terminals provided, install the Terminals into the Connector
housing using the wiring colours and locations previously noted in the removal procedure.
8. Assemble the CHMSL Connector and wiring with the Deck Lid Connector and Harness assembly.
9. Reconnect the Battery Terminals and check the function of the Lamp.
10. If the lamp does not function it is possible that the wires have been incorrectly installed in their locations in the
connector body. Refer to the wiring and colour locations noted prior to the removal procedure.
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3 Instrumentation
3.1 General
A specific Instrument Cluster designed by HSV is fitted to all HSV GTO and GTS Coupe Series 2 Models. The cluster
carries over from HSV VY Clubsport Model. Refer to pages 3, 4 & 5 of Section I Electrical & Instruments of the HSV VY
Series Wor kshop Informati on.
