
55-92 Torque Converter Lock-Up Switch Update Kit
This torque converter lock-up switch kit is installed externally from the transmission and can be used on 700R4 or 2004R transmissions. Kit includes a fuse holder & fuse that obtains power from a 12 volt keyed ignition source, a pressure switch that screws into the transmission's 4th gear oil pressure port and is wired to the torque converter connection on the transmission. With the ignition on, upon detecting that the transmission is in 4th gear, the pressure switch is activated. This switches (locks) the torque converter into overdrive mode. Includes installation instructions.
(GM Part 500412)
SKU | ES-577 |
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Generation | C1, C2, C3, C4 |
Model Year | 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992 |
- OE GM PART #: 500412 *GM part # provided for lookup purposes only.