Posts Tagged ‘dynamator’

A dynamator is a replacement for your dynamo, that looks like a dynamo but functions like an alternator.

You can browse the full range of dynamators here

Here’s a handy guide to identifying which dynamator model your car requires:

Make Model Notes
AUSTIN & AUSTIN HEALEY
Austin A40 1952-1954 C39/40
Austin 1100/ 1300/ 1300 GT C39/40
Austin A35 1959 C39/40
Austin A40 Saloon MKI 1960 C39/40
Austin A55 1960 C39/40
Austin Seven 850 1959 C39/40
Austin Healey Sprite MKI & MKII (Early) C39/40 Available with Tacho
Austin Healey Sprite MKII & MKIII C39/40
Austin Healey 3000 1964 – 1968 C42
Austin Healey 3000 1959 – 1960 C45
Austin Healey 3000 1964 – 1968 C45
Austin Healey 100 1954 -1959 C45
AC
AC Ace (Ford Engine) C40L
ARMSTRONG SIDDLEY
Siddeley Sapphire 234/236 1956 – 1958 C39/40
ASTON MARTIN
Aston Martin DB2 – DB4 MKII C45
BRISTOL
Bristol 400 / 401 / 403 / 404 / 405 / 406 C39/40
DAIMLER
Daimler one-o-four 3.5 1957 – 1959 C45
Daimler one-o-four 4.5 1957 – 1960 C45
Daimler Majestic 1959 – 1960 C45
Daimler Conquest 1954 – 1958 C39/40
Daimler Ambulance 1949 – 1954 C45
Daimler Consort 1950-1953 C45
Daimler 2.5 1946 -1952 C45
Daimler Dart V8 SP250 C40
Daimler Regancey 1953 -1955 C45
FORD
Ford Anglia  C39/40
Suitable for all Pre-cross flow & cross flow models.
Not suitable for PINTO or V4 Engines
Ford Capri 1300/ 1600 /2000 C39/40
Ford Cortina / X-Flow C39/40
Ford Escort MKI & MKII C39/40
Ford Escort RS 1600/ 1600 TC C39/40
Ford Consul Classic C39/40
Ford Cortina/ Lotus Twin Cam 1558cc C39/40
Ford Zephyr Zodiac ( 4+ 6 Cylinder) C39/40
HILLMAN
Hillman Husky 1955-1960 C39/40
Hillman Minx 1947-1948 C45
Hillman Minx 1953-1960 C39/40
Hillman Imp C39/40
JAGUAR
Jaguar 2.4L / 240 1963 – 1969 C40L
Jaguar 3.4/ 3.8L/ 340 & S Models 1963 – 1968 C42
Jaguar E Type 3.8L C42
Jaguar E Type 3.8L S1 1964 C45
Jaguar XK120/ XK140/ XK150 C45
JENSON
Jenson Interceptor 1951 – 1954 C45
JOWETT
Jowett Javelin 1952 – 1954 C39
Jowett Javelin 1948 C45
LAND ROVER
Land Rover 80 inch 1948 – 1952 C39/40
Land Rover Series I 1952 – 1959 C39/40
Land Rover Series I 1958 – 1959 C45
Land Rover Series II 1959 – 1960
Land Rover Series II 1959 – 1960 C45
Land Rover 4 + 6 Cylinder C39/40
Land Rover 6 Cylinder C45
LOTUS
Lotus 7 Twin Cam C39/40
Lotus Elan/ Lotus Elan Plus 2/ Sprin C39/40
Lotus Elan S4/ Sprint C39/40
MARCOS
Marcos 1600 GT / X- Flow 1969 – 1970 C39/40
MG
MG 1 1/4 litre 1947-1949 C45
MG 1 1/4 litre 1950-1953 C39/40 Available with Tacho
MG TC – 1945 -1949 C45
MG TC – 1950 C39/40 Available with Tacho
MG TD – 1950 -1953 C39/40 Available with Tacho
MG TF – 1954 -1955
MG Magnette 1953 -1960 C39/40 Available with Tacho
MGA 1500/ 1600, MKII 1955 – 1962 C39/40 Available with Tacho
MGA Twin Cam C39/40 Available with Tacho
MG 1300 C39/40 Available with Tacho
MG Midget MKI (Early) C39/40 Available with Tacho
MG Midget MKI MKII , MIII C39/40 Available with Tacho
MGB 1962 -1968 C39/40 Available with Tacho
MINI
Classic Mini all years C40
MORRIS
Morris Minor all years C39/40
Morris Oxford 1948- 1960 C39/40
Morris Oxford C45
MORGAN
Morgan Plus 4 1946-1949 C45
Morgan Plus 4 1953 C39/40
Morgan 4/4 1600 C39/40
RELIANT
Reliant Regal 1953 – 1960
Reliant Regent 1951 – 1960 C39/40
Relaint Robin
Reliant TW9, B, C, E 1970 – 1972 C39/40
Reliant Sabre 6 C40L
RILEY
Riley 1 ½ L 1946 – 1949 C45
Riley 1 ½ L 1951 – 1960 C39/40
Riley 4/68 1959 – 1960 C39/40
Riley 2 ½ L 1947 – 1953 C45
Riley Pathfinder 1954 – 1957 C45
Riley 2.6 1958 – 1959 C45
ROVER
Rover 2000/ SC/ TC C42
Rover 3L C42
SUNBEAM
Sunbeam Alpine C39/40
Sunbeam Rapier C39/40
TRIUMPH
Triumph GT6 C39/40
Triumph Herald C39/40
Triumph Spitfire 1.2L/ 1.3L C39/40
Triumph Vitesse C39/40
Triumph 2000 C40L
TVR
TVR Grantura C40L
WOLSELEY
Wolseley 1100/ 1300 C39/40
Wolseley 16/ 60 C39/40
Wolseley Hornet C39/40
VAUXHALL
Vauxhall Cresta E-Type 1954 -1957 C39/40
Vauxhall Victor 1958 – 1959 C39/40
Vauxhall 10HP – 12HP 1946 – 1947 C45
Vauxhall Friary 1955 – 1957 C39/40
Vauxhall Dormobile 1955 – 1957 C39/40
Vauxhall Grosvenor 1955 – 1957 C39/40
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HOW TO TEST YOUR ALTERNATOR OR DYNAMO

The alternator or dynamo is at the heart of a vehicle’s charging system, providing power to the various electrical components while the engine is running and also making sure the battery is always charged.

The quickest and easiest way to check if your alternator is under/overcharging is to measure the voltage across the battery terminals. DO NOT DISCONNECT ANY OF THE BATTERY LEADS WITH THE ENGINE RUNNING AS DAMAGE TO ELECTRICAL COMPONENTS MAY RESULT! Using a digital multimeter and with the vehicle engine running at tickover with no electrical accessories switched on, check the voltage output across the battery terminals.

Anything between 13.5 volts to 14.5 volts tells you the alternator/dynamo is charging around the correct parameters. Anything lower than 13.5 volts shows it is not putting out enough power to charge the battery efficiently and electronic items on the vehicle may behave erratically.

If there are more than 14.5 volts produced from the alternator/dynamo or voltage regulator (separate on positive earth vehicles) then it is overcharging, sometimes producing higher voltage “spikes” which can produce too much voltage for sensitive electronic components, causing them to fail or create intermittent electrical faults.  Also check on the condition and tension of the alternator/dynamo drive belt as if it is too loose or in poor condition the belt may slip causing the alternator to have a low output.  Alternatively if the belt is too tight it will damage the alternator/dynamo bearings.

This is a basic charging test for alternator/dynamo output.