Ford 7.3l Glow Plug Wiring Harness (1989-1991) F250, F350, F450 Super Duty, F59 International 7.3l Motors. 6.9L/7.3L model engine(s).
Catalog Number: 4P53
From 1989-1991 Ford used this glow plug harness in the F250, F350, F450 super Duty, F59 trucks that had International 7.3L motors. We build this harness as close as possible to the stock harness that Ford supplied with the truck.
The original Harness had a special Ford connector that, by now has burnt up in almost all cases . Replacement connectors are not available anywhere.
We supply a new connector that you will install at your fire wall. This New connector replaces the one on your fire will and is much more appropriate for the electrical loads placed upon it.
Connector directions included and wiring schematic included.
PLEASE READ BEFORE YOU ORDER: At least 30 years have passed since your machine was built. Many people have worked on, rearranged or changed your machine. Customer/installer accepts all liability. Customer/installer must check existing wiring and appliances before connecting to and powering up system. Before you or your installer powers up a system, it is customer's responsibility to make sure that harness is correct for the application. Because the previous old harnesses may have damaged other harnesses and or appliances, 4700parts.com, and Pacific Supply Group Inc. accept no liability for any machine or appliance that you attach this new harness to. Miss-pins: Every effort is made to check pin-outs. Anything done by humans will have imperfections. Customer/Installer must check pin-outs. It is installer responsibility to verify pin-outs and to power up only one system at a time to minimize the risk of damage to electrical components.
These harnesses are made to order.
Made in America.
DISCONNECT BATTERY before doing any work. PLEASE READ BEFORE YOU ORDER: At least 40 years have passed since your machine was built. Many people have worked on, and changed things from factory configuration. It is customer's responsibility to make sure that harness and contact arrangement is correct for the application. Because the previous old harnesses may have damaged components in your electrical system, Pacific Supply Group accepts no liability for any device that you attach this new harness to.
Made in America. 
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