Sinclair C5 Resources and Documentation

Here is a collection of useful resources related to the Sinclair C5. It consists of some of the original documents you would receive with a new C5 which have been scanned in. There are also some videos, including stills from a preview video featuring some cool looking C5 prototypes.

The Sinclair C5 Owners Handbook is particularly useful for keeping a C5 on the road.

Original Documents

Owners Handbook Owners Handbook
Accessories Booklet Accessories Booklet
Owners Pack Read This First Owners Pack Read This First
Authorised Service and Parts Authorised Service and Parts
Registration Card and Number Plate Registration Card and Number Plate
The RoSPA Guide to Safe Driving The RoSPA Guide to Safe Driving
Security for your Sinclair C5 Security for your
Hotline Tips Hotline Tips
Battery Centres Battery Centres
Original Sales Brochure Original Sales Brochure
Battery Charger Battery Charger
Leaflet Leaflet

Newspaper and Magazine Articles

Sinclair User March 1985 Sinclair User March 1985
Newspaper Clippings Newspaper Clippings
Autocar Review Autocar Review
Prudential Insurance Prudential Insurance
The Engineer The Engineer
Motor Weekly Motor Weekly
C5 Driver Magazine C5 Driver Magazine
Lotus World Lotus World

Original Videos

Preview Video 1984 Preview Video 1984
TV Advert TV Advert
Infomercial by the C5 Production Team Infomercial by the C5 Production Team

Accessories Documents

High-Vis Mast Instructions High-Vis Mast Instructions
Direction Indicators Direction Indicators
Horn Horn
Rear View Mirror Rear View Mirror
Seat Cushion Seat Cushion
Weather Cheater Weather Cheater
Side Panels Side Panels
Spare Battery Kit Spare Battery Kit
Tonneau Tonneau
Mud Flaps Mud Flaps
Seat Booster Pad Seat Booster Pad

Miscellaneous

Chain Tensioner Rework Chain Tensioner Rework
Notes on Replacement of Output Gear Notes on Replacement of Output Gear
Motor Bracket Motor Bracket
Priority Customer Letter Priority Customer Letter
Customer Enquiry Letter Customer Enquiry Letter
Price, Parts Lists and Invoices Price, Parts Lists and Invoices
Adam Harper BT Phone Card Adam Harper BT Phone Card
Installing 2nd Battery Notes Installing 2nd Battery Notes
Turbinecharm Turbinecharm
Hoover Assembly Plans Hoover Assembly Plans
TRRL Briefing Memo TRRL Briefing Memo
Sinclair Archives Artwork Sinclair Archives Artwork

None English Documents

Newspaper Clippings Newspaper Clippings
Other Documents Other Documents

Wiring Diagrams

Main Wiring Diagram Main Wiring Diagram
POD Wiring Diagram POD Wiring Diagram
Control Box Wiring Diagram Control Box Wiring Diagram

Internal Documents

Control Clerk Training Notes Control Clerk Training Notes
Service Engineer Training Notes Service Engineer Training Notes
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Latest from C5owners.com

Lotus C5 prototype by John Dunne It's a common misconception that Lotus only involvement in the C5 develop was the Y frame chassis, however as detailed in the Lotus World Magazine March 1985 & also in both of Barrie Will books who was the Managing Director of Sinclair Vehicle, Lotus developed, designed & build the C5 prototypes.
Lotus C5 prototype by John Dunne
posted on: 24/05/2020
Simplified Relay Controls This article by John Wilson shows how to re-wire a C5 with the original 12V motor.
Simplified Relay Controls
posted on: 27/04/2016
Control Clerk Training Notes Here are some rare C5 training notes from Hoover desgned for call centre staff and engineers.
Control Clerk Training Notes
posted on: 22/03/2016
Offroad Prototypes by Brian McCool For years there had been rumors about the Off Road C5's. Has anybody seen one?
Offroad Prototypes by Brian McCool
posted on: 10/03/2016