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Notes: The Alt20 is a 14 volt 90 Amp unit suitable for or as a replacement alternator for Lucas/Magneti Marelli A127 style alternators. If replacing lower rating alternators ensure that all cables are capable of handling the higher current capacity. If an electronic charge splitter or mechanical charge splitter is used to provide split charging facility ensure the equipment is capable of handling the increased current capability. The alternator comes with a standard 80mm pulley suitable for a 12.5 mm belt, other pulley sizes to order at extra cost. If in doubt about the pulley supplied with the new alternator remove the pulley from the original alternator and fit it to the replacement alternator.
This alternator is insulated ground and fully rated negative connection will be required.

To modify this alternator for use with our range of alternator charge controllers it will require the regulator to be removed as the brush connections are internal to the alternator. For modification details go to the alternator modification page by clicking here, when re-assembling alternator ensure any added cables are not trapped or cause a short circuit.

To view this drawing full size for better clarity either download and view in a propriety viewer or view as a pdf drawing by double clicking here"Alt 20 pdf drawing"
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