28146 Revision 7
3
Pump Exhaust
No connection necessary
Detailed Diagram Of Pump & Vacuum Switch
4)
Begin electrical wiring by mounting the relay in a suitable location.
NOTE: Relay mounting tab does not have to be grounded!
CAUTION: WHEN INSTALLING RELAY AND VACUUM SWITCH, MAKE SURE
THAT THE VACUUM SWITCH (THE SWITCH WITH THE RUBBER HOSES
ATTACHED TO IT) IS NOT WIRED TO THE POSITIVE (+) SIDE. IF VACUUM
SWITCH IS WIRED INCORRECTLY, THE SWITCH WILL BURN OUT AND WILL
NOT WORK!
Pump Intake
Connect to vacuum switch
To brake
booster
5)
Next, wire the fuse to a positive (+) ignition switched power source.
a)
Positive (+) connection must be a switched source or pump will run with key off!
b)
The circuit used for connection must have an 8 to 10 amp fuse!
c)
Make sure to tighten down fuse screws!
To relay
Fuse screws
To (+) switched power source
