Caerbont Automotive Instruments Ltd, Abercrave, Swansea, SA9 1SH.
Tel 01639 732200 Fax 01639 732201
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Electronic Programmable Tachometer (EPT) Fitting Instructions (Older Design)
Petrol Engines
INTRODUCTION
The EPT can be programmed to accommodate 4, 6 or 8 cylinder engines and to accept inputs from Contact Breaker Ignition Systems and Electronic Ignition Systems.
IMPORTANT INFORMATION
Only to be fitted to negative earth vehicles. Disconnect your vehicle’s battery prior to installation. Operating voltage is normally 12v (11 volts min, 17 volts max). The Tachometer complies with CE regulations regarding electromagnetic compatibility.
Input Signals
Programming your EPT

No. Of Cylinders

Switch 1

Switch 2

Switch 3

4

Off

Off

On

6

off

On

On

8

On

Off

On

Input Signal

Switch 4

Switch 5

Switch 6

Contact Breaker

Off

On

Off

Electronic Ignition (type a)

On

On

Off

Electronic Ignition (type b)

Off

On

Off

Installation of your EPT

Caerbont Automotive Instruments Ltd, Abercrave, Swansea, SA9 1SH.   Tel 01639 732200.  Fax  01639 732201

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