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Factory Lock Relay
Factory Unlock Relay
87a
87
30
85
86
87a
87
30
86
85
From Fuse Box + 12 Volts
Lock
Unlock
To Green Unlock Wire
Or PBS Wire Of Control Module
When using the Black/Blue PBS wire for door unlock.
The output of this wire has a maximum switching capability of 250 mA. Many vehicles
today have factory door lock relays which can be connected directly to this output, how-
ever always confirm that the factory relays in your particular vehicle do not exceed the
rated 250mA output of the units door unlock circuit. Connect the Black/Blue to the door
unlock circuit of the vehicle you are working on and wire according to the diagrams shown.
3 Wire Negative Switched Door Lock Circuits:
In this application, the Black/Blue provides a negative pulse before starting. While
running if the transmitter button is pressed and held it will unlock the doors. Connect
the Black/Blue Wire to the low current negative signal wire from the factory door
unlock switch to the factory door unlock relay.
To Green Unlock Wire
Or PBS Wire Of Control Module
87a
87
30
86
85
Added Relay
Fused + 12 VDC
Added Door Unlock Motor
Factory Lock Relay
Factory Unlock Relay
87a
87
30
85
86
87a
87
30
86
85
From Fuse Box + 12 Volts
Lock
Unlock
87a
87
30
86
85
Add Relay
Fused + 12 VDC
To Green Unlock Wire
Or PBS Wire Of Control Module
Circuits Over 250 mA
Adding An Actuator For Unlock
Negative Type Door Lock Circuits