Keep the back-up lamp and neutral safety circuits connected with the Standard Ignition Back Up Light Switch Connector / Neutral Safety Switch Connector S-743 (also written S743). It's a factory-assembled electrical connector that plugs into the switch harness to carry the wiring signals for the reverse lights and, on applicable vehicles, the neutral safety switch. It fits a wide range of Ford and Mercury applications, including the 1972-1979 and 1982-1986 Ford Bronco, 1982-1983 Ford E-100 Econoline, 1967-1969, 1971-1979 and 1981-1983 Ford F-100, 2003-2005 Ford E-150, 1996-1997 Ford Thunderbird, 2005 Ford Freestar, and the 1997 Mercury Mountaineer — see the Buyer's Guide tab for the full list of 51 applications.
If a corroded, brittle, or damaged original connector is causing reverse-light or switch-signal trouble, this replaces it. Interchange: PT5673 · 614 · EC193 · 88860558
This part cross-references / interchanges with the following part numbers:
What does this connector do?
It plugs into the switch harness to carry the wiring signals for the back-up lamps and, on applicable vehicles, the neutral safety switch circuit.
Will it fit my vehicle?
It covers 51 Ford and Mercury applications, from the 1967 F-100 to 2005 E-series vans. Check the Buyer's Guide tab to confirm your exact year, make, and model.
Does it come pre-assembled?
Yes. It's a factory-assembled connector and includes wire connectors and extended lead wires where applicable, so no specialized tools are needed.
What numbers does it interchange with?
It cross-references PT5673, 614, EC193, and 88860558.
How is quality assured?
It's produced in TS16949- and ISO9001-certified facilities to meet OE standards, and each connector is checked and tested at every stage of production.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
