Torque converter lock up control 700R4
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[[image:700_connectors.jpg]] | [[image:700_connectors.jpg]] | ||
| − | + | ==Pressure switches== | |
Notice these are silver in color. This means they are NO = Normally Open. When pressure is applied the switch closes the internal contacts to complete the circuit. Both of these pressure switches are "on -off" design. Pressure turns them 'on' , no pressure they are "off" | Notice these are silver in color. This means they are NO = Normally Open. When pressure is applied the switch closes the internal contacts to complete the circuit. Both of these pressure switches are "on -off" design. Pressure turns them 'on' , no pressure they are "off" | ||
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[[Image:700_pressure_switches.jpg]] | [[Image:700_pressure_switches.jpg]] | ||
| − | + | ==Lock up Solenoids== | |
Solenoid designs: 1 wire and common 2 wire. Solenoid on the left has 1 red wire. this is a self grounding lock up solenoid. The 2 wire solenoid has a red wire and a black wire. Red is for 12 volts, black is for ground. | Solenoid designs: 1 wire and common 2 wire. Solenoid on the left has 1 red wire. this is a self grounding lock up solenoid. The 2 wire solenoid has a red wire and a black wire. Red is for 12 volts, black is for ground. | ||
[[image:700_solenoid_wires.jpg]] | [[image:700_solenoid_wires.jpg]] | ||
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| + | ==Valve body location for switch== | ||
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Location for pressure switch on valve body for 4th gear lockup only of the converter clutch. this location has pressure when the trans is in 4th gear | Location for pressure switch on valve body for 4th gear lockup only of the converter clutch. this location has pressure when the trans is in 4th gear | ||
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