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Manufactured Products
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1969-1973 Fuse Box Accessory Buss Extention:
1969 on up fuse boxes have a provision for additonal
Accessory power lines using an extra fused three prong
plug. The buss extender bolts into the fuse box with
a carriage bolt. The factory buss extender is on the
left and the manufactured version on the right. A two
year warrany is provided. |

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1971-1973 Central 3 Gauge Dash Cluster Harness
1971 through 1973 center gauge clusters come with dashes with
tachometers and in 1971 as a special order with a
standard dash cluster. These harnesses are available
matching the factory wiring. The only change needed are
the lamp sockets, which now use a two wire affair and an 1895
bulb instead of the 194 bulb. A two year warranty
is provided |

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1969-1973 Replacement of Dash Cluster Circuit Card by
Hard-wiring
1969 on up use a flexible circuit card that mates to the
underdash harness and supplies various signals to the dash
cluster. These cards' copper traces break easily and
many customers complain about the reliability of reproduction
circuit cards. The dash clusters can be hard-wired much
like earlier Mustang dash clusters for better reliaibility and
electrical continuity. This change does not increase dash bulb
intensity, unfortunately. The harness comes with an additional
length to better access the back of the dash cluster for
connecting the new multipin connector and general
trouble-shooting. Hard- wiring does require a new dash
cluster connector. The existing connector can be left in
place or removed. To use this service, the underdash harness
must be sent in and only in unusual cases will the dash cluster
itself needs to be shipped. Each harness is checked by
activating all lamps, gauges, and indicator lights on the dash
cluster. A two year warranty is provided. |
Here is an example of a 1971 non-tach dash cluster that is now
hard-wired.

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Aftermarket Dash Cluster Wiring
A popular option for many is to replace the factory dash cluster
with an aftermarket dash cluster,
often with additional gauges and tachometers. Some clusters
come with gauges already installed and some clusters allow the
customer to buy gauges separately. In many cases, it is
left to the consumer to wire the cluster to the underdash
harness. With shipment of the underdash harness along with the
dash cluster filled with gagues (and instructions for wiring the
gauges), a complete dash cluster harness can be wires with an
additional length to better access the back of the cluster for
installation and possible trouble-shooting. Each harness is
checked for proper operation on the bench by activating all
lamps, gauges, and indicator lamps. A two year warranty is
provided. |
Here is an example of a 1969 aftermarket cluster with
Autometer gauges that is now hard-wired.

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