Use these convenient harnesses to adapt one style alternator in place of another.
Contact us if you have any question about which part you may need.
Scroll to the bottom of the page to order
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Delco SI to CS - Part # W1201
Used to connect an early style Delco 10SI or 12SI internally regulated
wiring harness to the later style Delco CS series alternator.
Will work on CS130 or CS144 alternators.
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Delco SI to AD - Part # W1203
Used to connect an early style Delco 10SI or 12SI internally regulated
wiring harness to the later style Delco AD series alternator.
Will work on AD and CS130D series alternators.
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Delco 10SI New Installation - Part # W290
This harness can be used as a new installation wiring kit for early
Delco 10SI and 12SI alternators.One wire will connect to the output
post on the rear of the alternator and the other will be connected
through a dash light or to a switched ignition source
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Delco CS New Installation - Part # W1221
This harness can be used as a new installation wiring kit for
Delco CS-130 or CS-144 alternators. CS130D alternators will
use the harness below. One wire will connect to the output post
on the rear of the alternator and the other will be connected
through a dash light or to a switched ignition source.
(Note: New harness now has only the yellow Ignition wire into
plug and does not have a seal on the wires.)
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Delco AD New Installation - Part # W1223
Use this harness to install a new Delco AD series or CS130D
series alternator in a vehicle. One wire will hook to the output
post of the alternator and the other will be connected to a
switched ingnition source.
( note: does not have a seal at the rear on the wires)
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Delco 10DN to 10SI - Part # W315
Easily adapt from an early Delco 10DN externally regulated
harness to a Delco 10SI or 12SI internally regulated alternator.
Has a bypass jumper wire to keep dash light functioning.
Instructions included.
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Delco DN to CS - Part # W315CS
Use this harness to go from the early Delco 10DN externally
regulated factory loom to a Delco CS130 or CS144 alternator.
Existing lights and gauges will still function.
Instructions included.
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Delco DN to AD - W315AD
This harness will adapt a new AD or CS130D alternator to
a vehicle's early DN externally regulated GM wiring harness.
All dash lights & gauges will function.
Instructions included.
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Delco AD to CS - Part # W1206
This harness will adapt from a Delco AD244 or CS130D
series factory wiring harness to a Delco CS130 or CS144
style alternator. All dash lights & gauges will function.
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Delco CS to AD - Part # W3030D
This harness will adapt from a Delco CS130 or CS 144
series factory wiring harness to a Delco AD244 or CS130D
style alternator. All dash lights & gauges will function.
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Ford 6G to 3G - Part # W2740
Use this harness when installing a Ford 3G series
(small or large case) alternator in a vehicle with a 6G
factory wiring harness. All lights & gauges will function
normally. NOTE: This harness will work with 6G systems
that have a gray colored regulator. Alternators with a white
colored regulator are PCM controlled and this harness will
not allow feedback to the PCM.
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Ford 3G New installation - Part # W2730
Used to install a new 3G alternator in Ford vehicles. Will
allow alternator to turn on by connecting through a dash
light or switched ignition source. Easily ties into existing
wiring for early externally regulated alternator systems.
Instructions included.
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Ford 2G to 3G adapter - Part # W2700
You can replace your 2G Ford alternator with a Ford 3G
alternator by using this harness. The D shaped plug will be
the same as the factory harness and the instructions will show
you how to hookup the wires from the rectangular plug correctly.
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Chrysler Alternator to Regulator - Part # W210
This harness will connect a dual field voltage regulator to
a dual field alternator. You can also use it to change a single
field alternator to a dual field alternator or change from the
early style regulator to a transistorized regulator.
Instructions included.
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