Thread: 53 Is back from the Body Shop

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Assuming door is closed and relays are at rest, when door is opened:
#1 Will not work as there is no power to the horn but would work if there was a constant power to pin 85 of the 2nd relay

#2 Will not work as there is no power to the horn unless the relays are energized and they can't be energized since there is no ground for the relay coils.

#3 Will not work since there is no ground for the relay coils


Please correct me if I'm wrong.

Originally Posted by NTFDAY

Assuming door is closed and relays are at rest, when door is opened:
#1 Will not work as there is no power to the horn but would work if there was a constant power to pin 85 of the 2nd relay

#2 Will not work as there is no power to the horn unless the relays are energized and they can't be energized since there is no ground for the relay coils.

#3 Will not work since there is no ground for the relay coils


Please correct me if I'm wrong.

Sorry, got to go to band practice, I'll have to resume this tomorrow.
Look closely at the diagrams, the ground is set by relay #1 when the door jam switch engages which latches relay #1 to ground through 30 $ 87, this in turn activates and hold relay #2, #2 supplies the 12VDC+ to the horn through 30 & 87, the horn grounds directly. Switch interrupts the latch, starting the circuit over.

Here it is with a delayed entry/exit;

Originally Posted by 36 sedan

Sorry, got to go to band practice, I'll have to resume this tomorrow.
Look closely at the diagrams, the ground is set by relay #1 when the door jam switch engages which latches relay #1 to ground through 30 $ 87, this in turn activates and hold relay #2, #2 supplies the 12VDC+ to the horn through 30 & 87, the horn grounds directly. Switch interrupts the latch, starting the circuit over.

Here it is with a delayed entry/exit;

Without a ground on the end of the coil the relay will never energize unless 87 and 87a are reversed and with the toggle switch closed how do you get power to the positive side of the coil?