1987-93 Mustang 130 Amp Alternator Installation Instructions

Watch this installation video and follow along as we show you how to replace your factory alternator with a SVE 130 Amp Alternator Kit. Get a charging system in your Fox Body Mustang that is ready for all those power robbing mods you want to add such as electrical fan and under drive pullies!

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The factory 75 amp alternator used in the 1986-1993 Mustang 5.0L was, to put it mildly, undersized. Add on something as simple as underdrive pullies or an electric cooling fan and you've effectively killed the ability of the alternator to keep the battery charged. Luckily, turn-key solutions like our SVE 130 Amp Alternator Upgrade Kit exist to solve problems just like this. Watch the video for full instructions on how to install this kit on your Fox Mustang!

Stock Alternator Removal

Step 1:
Disconnect the battery
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 2:
Remove the serpentine drive belt
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 3:
Unplug the voltage regulator connector
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 4:
Unplug the stator connector
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 5:
Remove the two attaching bolts that hold the alternator to the bracket
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 6:
Remove the stock alternator from your Mustang
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)

Preparing Wiring for 130 Amp Alternator

Step 1:
Trim back the harness tape and wire loom
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 2:
Cut the two black with orange stripe wires from the stock stator plug
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 3:
Cut the yellow wire and the green wire from the regulator plug
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 4:
Discard the old regulator and stator plugs
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 5:
Trim the new stator plug down and strip the wire end
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 6:
Do the same to the white wire on the center of the new regulator plug
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 7:
Connect the stator plug to the voltage regulator plug with one of the supplied butt crimp connectors
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 8:
Heat the connector insulation to seal it off
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 9:
Trim and strip the yellow wire and the green wire on the new regulator connector
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 10:
Do the same on the harness side
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 11:
Connect the yellow to yellow and green to green using the supplied butt crimp connectors
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 12:
Heat the connector insulation to seal them off
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 13:
Strip the ends of the two black with orange stripe wires
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 14:
Crimp on the supplied ring terminals
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 15:
Heat the connector insulation to seal them off
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)

Installing the SVE 130 Amp Alternator

Step 1:
Slide the 130 amp alternator into the bracket and loosely install the lower retaining bolt
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 2:
Rotate the alternator over and mark the bracket where the alternator is touching it
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 3:
Remove the alternator and cut the bracket along your marks
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 4:
Re-install the 130 amp alternator and lower bolt
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 5:
Install the supplied new upper retaining bolt and nut
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 6:
Tighten both the upper and the lower bolts
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 7:
Wrap the harness with quality tape like 3M super 33+
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 8:
Slide the two ring terminals onto the power lug of the alternator and install the retaining nut
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 9:
Connect the stater plug
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 10:
Connect the regulator plug
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 11:
Re-install the serpentine drive belt
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 12:
Re-connect the battery
Step 13:
Test for operation

At this point, you could call the installation done. However, our SVE alternator puts out over 60 amps at idle and up to 150 amps under load at 2000 RPM. It is a strong recommendation to supplement your factory power wire with a 4 gauge Power Wire Upgrade

Installing the 4 Gauge Power Wire Upgrade

Step 1:
Disconnect the battery
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 2:
Remove your air box
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 3:
Remove your two upper radiator brackets
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 4:
Remove the retaining nut from the alternator power wires
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 5:
Lay out the upgrade power wire
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 6:
Slide the 4 gauge ring eye over the alternator terminal and reattach the retaining nut
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 7:
Start zip tying the new power wire running along the old power wire harness
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 8:
Position your fuse holder right over the battery, and attach it using the two supplied retaining screws
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 9:
Remove the nut off the starter solenoid
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 10:
Connect the remaining ring terminal of the new power wire and re-install the nut
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 11:
Reattach your upper radiator brackets
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 12:
Re-install your air box
Mustang 130 Amp Alternator Install (87-93) - Mustang 130 Amp Alternator Install (87-93)
Step 13:
Reconnect your battery and test operation

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About the Video

Mustang Alternator Install - SVE 130 Amp (86-93 Fox Body)

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

Published on 2013-08-06
1986-93 FORD MUSTANG 5.0L 5.8L SVE 130 AMP ALTERNATOR UPGRADE KIT
Brand: SVE
Part #: SVE-17046K2
Fits: Ford Mustang LX, GT & SVT Cobra
Years: 1987 (87) - 1988 (88) - 1989 (89) - 1990 (90) - 1991 (91) - 1992 (92) - 1993 (93)

A performance charging system is a must for any high performance Fox Body Mustang! The 79-93 Mustang was cursed with a weak charging system. The factory 75 amp alternator can barely handle the simple bolt on such as under-drive pullies and A/C... don't even think about trying to throw an electric fan into that mix.

Until now, there have been plenty of higher amp alternators (130 & 200); however, there has been a lack of complete kits out there with everything you need to do the install properly! Now SVE has brought the most complete kit to the market! You get Our SVE Mustang 130A Alternator Kit includes a new OE type attaching bolt and nut, voltage regulator plug, stator plug, and 4 Gauge Power Wire Upgrade with Circuit Protection and Noise Suppression.

Follow along in the video as Jmac walks you through the installation!!
Transcript
0:00:01.030,0:00:05.450
Fox Mustangs were cursed from the factory
with a puny charging system.

0:00:05.450,0:00:09.170
The tiny 75 amp alternator
found on 1986 to 1993 five

0:00:09.170,0:00:14.200
ohs puts out a whopping 15 amps at
idle with the peak only going up to

0:00:14.200,0:00:18.529
75 amps under load at 2000 rpm.

0:00:18.529,0:00:20.470
Throw an electric fan in the mix and

0:00:20.470,0:00:24.589
your alternator can't keep up. We love
solving problems and our

0:00:24.589,0:00:27.760
130 amp SVE Alternator kits do
just that.

0:00:27.760,0:00:31.630
The two most popular kits are the basic
upgrade kit and the complete conversion

0:00:31.630,0:00:35.809
kit that includes a 4 gauge power wire
upgrade. The heart and soul of both of

0:00:35.809,0:00:39.140
these kits is the massive 130 amp alternator

0:00:39.140,0:00:43.289
thats brand new and carries a limited
lifetime warranty. Now the physical size

0:00:43.289,0:00:46.480
of the SVE 130 amp alternator will require your alternator

0:00:46.480,0:00:48.640
bracket to be modified for clearance,

0:00:48.640,0:00:49.680
but keep watching,

0:00:49.680,0:00:53.820
and I'll walking through the wiring and
modifications to the bracket needed for

0:00:53.820,0:00:55.760
installation.

0:00:55.760,0:00:58.500
Do you like watching helpful videos like
this?

0:00:58.500,0:01:02.370
Then subscribe to our youtube channel and be
notified every time we upload new

0:01:02.370,0:01:03.530
content.

0:01:03.530,0:01:06.169
You'll want to start by removing your
stock alternator.

0:01:06.169,0:01:09.930
First thing you want to do is disconnect
your battery.

0:01:09.930,0:01:13.520
Then remove your serpentine drive belt.

0:01:13.520,0:01:16.620
Unplug your voltage regulator.

0:01:16.620,0:01:19.100
Unplug the stator.

0:01:19.100,0:01:23.610
Remove the two attaching bolts that
hold the alternator to the bracket.

0:01:23.610,0:01:25.620
Finally remove the alternator

0:01:25.620,0:01:27.040
from your Mustang.

0:01:27.040,0:01:30.450
this is the main failure point of the
stock alternator. Even though the

0:01:30.450,0:01:34.610
regulator plugs are the same, we included
a new one because the stock one is

0:01:34.610,0:01:36.420
often broken.

0:01:36.420,0:01:39.630
Trim back the harness tape and wire loom.

0:01:39.630,0:01:44.050
Cut the two black with orange stripe
wires from the stock stator plug.

0:01:44.050,0:01:48.100
Cut the yellow wire and the green wire
from the regulator plug, and discard the

0:01:48.100,0:01:52.540
old regulator and stator plugs. Trim the new stator plug down and strip the

0:01:52.540,0:01:53.750
end of the wire.

0:01:53.750,0:01:58.179
Do the same to the white wire on the
center of the new regulator plug.

0:01:58.179,0:02:00.800
Connect them with the supplied butt
connector.

0:02:00.800,0:02:04.320
Because the heat shrink is built into
our connectors, all you need to do is

0:02:04.320,0:02:08.930
heat the connector to seal it after
crimping. Trim and strip the yellow wire and

0:02:08.930,0:02:12.620
the green wire on the new regulator
connector, strip the ends on the

0:02:12.620,0:02:13.999
harness side,

0:02:13.999,0:02:15.929
and connect the yellow to yellow

0:02:15.929,0:02:19.829
and green to green using the supplied
connectors.

0:02:19.829,0:02:22.650
Then, heat to seal.

0:02:22.650,0:02:25.789
Strip the two black with orange stripe wires

0:02:25.789,0:02:28.909
and crimp on the supplied ring terminals

0:02:28.909,0:02:31.599
and heat to seal.

0:02:31.599,0:02:35.149
Slide the 130 amp alternator
into the bracket and loosely install

0:02:35.149,0:02:36.769
the lower retaining bolt.

0:02:36.769,0:02:40.879
Rotate the alternator over and mark the
bracket where the alternator is touching

0:02:40.879,0:02:41.790
it.

0:02:41.790,0:02:45.900
Remove the alternator and cut the bracket
along your marks. Reinstall the

0:02:45.900,0:02:50.219
alternator and check for clearance. If
it's all good, install the supplied

0:02:50.219,0:02:54.329
upper retaining bolt and nut and fully
tighten the lower retaining bolt. Wrap

0:02:54.329,0:02:58.819
the harness with quality tape like 3M super 33+.

0:02:58.819,0:03:03.099
Slide the two ring terminals onto the
power lug of the alternator and install

0:03:03.099,0:03:04.889
the retaining nut.

0:03:04.889,0:03:06.809
Connect the stater plug.

0:03:06.809,0:03:09.879
Connect the regulator plug.

0:03:09.879,0:03:12.469
Re-install the serpentine drive belt.

0:03:12.469,0:03:14.950
Our SVE 130 amp alternator

0:03:14.950,0:03:17.339
puts out about 60 amps at idle

0:03:17.339,0:03:22.019
and about a 150 amps under load at 2000 rpm!

0:03:22.019,0:03:26.429
This'll keep up with just about anything you throw at it, but because of this added

0:03:26.429,0:03:31.249
output, it is a very strong
recommendation that you support

0:03:31.249,0:03:32.540
your factory power wire

0:03:32.540,0:03:35.169
with the 4 gauge power wire upgrade.

0:03:35.169,0:03:39.299
Remove your air box.

0:03:39.299,0:03:42.959
Remove your two upper radiator
brackets.

0:03:42.959,0:03:46.729
Remove the retaining nut from the
alternator power wires. Lay out your

0:03:46.729,0:03:48.140
upgrade power wire.

0:03:48.140,0:03:49.680
Slide the 4 gauge

0:03:49.680,0:03:53.839
ring eye over the alternator terminal and
reattach the nut.

0:03:53.839,0:03:57.839
Start zip tying the new power wire
running along the old power wire

0:03:57.839,0:03:59.649
harness.

0:03:59.649,0:04:02.269
Position your fuse holder right over the
battery,

0:04:02.269,0:04:06.349
and attach it using the two supplied
retaining screws.

0:04:06.349,0:04:09.929
Remove the nut off the starter solenoid.

0:04:09.929,0:04:13.629
Connect the remaining ring terminal of
the new power wire

0:04:13.629,0:04:16.279
and re-install the nut.

0:04:16.279,0:04:18.989
Reattach your upper radiator brackets

0:04:18.989,0:04:22.219
and re-install your air box.

0:04:22.219,0:04:25.300
For all of you out there that think the
battery is not going to come out with the

0:04:25.300,0:04:27.650
fuse holder in this position, check this
out.

0:04:27.650,0:04:29.729
Comes out with no problem!

0:04:29.729,0:04:32.569
Reconnect your battery and test operation.

0:04:32.569,0:04:36.680
For comparison sake, we tested battery
voltage with the stock alternator

0:04:36.680,0:04:38.249
with the car at idle,

0:04:38.249,0:04:42.419
with the A/C on max and high blower,
and headlights on bright. The stock

0:04:42.419,0:04:45.709
alternator was able to hold about 12.8 volts.

0:04:45.709,0:04:49.389
with the SVE 130 amp
alternator and four gauge power wire

0:04:49.389,0:04:54.149
upgrade installed, under the same
conditions, we're now producing more than

0:04:54.149,0:04:57.129
14.5 volts and that is a

0:04:57.129,0:04:58.849
massive improvement!

0:04:58.849,0:05:02.640
So put one of these SVE alternator
kits on your fox mustang

0:05:02.640,0:05:04.660
and bring your charging system up to par.