Quote:
I do not disagree with you Howard as you have way more knowledge of all the electrical stuff than I do but the relay is for the pressure switch not the solenoid.
The way you describe the monster kit operation it sounds like it works exactly as the diagram with the relay is doing. In the diagram, relay is controlled by the pressure switch and operates the solenoid. Monster could be using a pressure switch or some other switching circuitry with a high enough contact rating to operate the solenoid directly instead of needing a relay to carry the solenoid current.
In the drawing: 85 and 86 are relay coil terminals,
30 is the contact common and 87 and 87a are normally open and normally closed contacts. Normally closed 87a was not used in the circuit.
Power is supplied by ign sw, goes thru manual sw to relay terminals 86 and 30. The ground on the manual switch is for one side of a light bulb which is in the switch and will illuminate when switch is turned on. Relay 85 goes thru their plug terminal A to one side of the contact in a pressure switch which is apparently plumbed into he hydraulic path for 4th gear. The other side of the switch contact is connected to ground. Relay 87 goes thru their plug B to one side of the solenoid. The other side of the solenoid gets ground from the case thru their plug C.
With ign sw on and manual switch closed, power is supplied to relay 86 and 30. Whenever the pressure is high enough to operate the pressure switch it closes and puts ground on relay 85. With power on 86 and ground on 85 the relay energizes. Relay closes and with power on relay 30 it is also now on 87 and goes out to one side of the solenoid coil. With the other side of the solenoid being grounded, solenoid operates and does whatever it does to bring in the clutch.
This Post was from: https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=260724