You are looking at a NEW GMH HQ Service Manual Genuine GMH Factory Service Manual - Reprinted with Copyright Covering; Holden HQ This one in a series of Factory Service Manuals forming the basis for all service work on the 'H' series (HQ HJ HX HZ WB). Vol 5. Engine Electrical. Instruments. Wiring. Lighting. Air Conditioning We also have available the other 4 volumes plus a supplement publication detailing the changes on the HJ HX HZ. CONTENTS; Generating System Starting System 6cyl V8 + Chev Ignition 6cyl V8 + Chev Battery and Cables Lighting Instruments Wiring diagrams Air Conditioning Thanks for looking and don't forget to check out all of our Restoration Essentials in our store. All postal deliveries are sent via Aust Post eParcel. Your parcel will have a unique tracking number which will be sent to you via email on dispatch so you can keep an eye on your delivery.