SSBC 28146 User manual

INSTALLATION INSTRUCTIONS
Electric Vacuum Pump Kit 28146
_____________________________________________________________________
Thank you for choosing STAINLESS STEEL BRAKES CORPORATION for your braking
needs. Pleases take the time to read and carefully follow these instructions to insure the ease of
your installation as well as the proper performance of the complete system.
Before beginning your installation, please verify you have received all the parts indicated on
the packing slip. If you believe anything to be missing or incorrect, please call our Customer Service
Department at 716-759-8666.
PRODUCT WARRANTY
This product carries a limited one (1) year warranty against manufacture defects. Failure to properly
install or use the product as intended, or modifying the product and/or components of the kit, will
void the manufacturer’s warranty.
Stainless Steel Brakes Corporation has a complete inventory of replacement parts and rebuild kits
for the electric pump. Contact our customer service department for any assistance you might need.
REVISED TO LEVEL 7 2/27/12

BEFORE INSTALLING, PLEASE LAY OUT ALL OF THE CONTENTS OF THIS KIT
AND THOROUGHLY READ THROUGH THIS INSTRUCTION MANUAL TO ENSURE
THAT YOU HAVE ALL OF THE PARTS NEEDED TO COMPLETE THE INSTALL!
IF YOU FIND YOU ARE MISSING ITEMS, PLEASE CONTACT SSBC IMMEDIATELY,
REGARDLESS OF WHAT DEALER YOU PURCHASED THIS KIT FROM.
IF YOU HAVE ANY QUESTIONS REGARDING MISSING ITEMS, WARRANTY CLAIMS,
DEFECTIVE ITEMS, OR SIMPLY INSTALLATION ISSUES, PLEASE CONTACT SSBC DIRECTLY.
TOLL FREE: 800-448-7722
M-F: 9AM-5PM EST
[email protected]
[email protected]

1) First install the pump in a suitable location, using the rubber insulators to mount to the
vehicle.
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2) Next, mount the vacuum switch in a suitable location, making sure that the switch is grounded
to vehicle.
IF SWITCH BODY IS NOT PROPERLY GROUNDED, THE ELECTRICAL CIRCUIT
WILL NOT WORK PROPERLY!
To brake booster
3) Run vacuum hoses as shown below.
NOTE: Switch is unidirectional. (Switch will still function if vacuum lines are reversed.)

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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

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6) Detailed diagram of relay & proper connections: (Terminals are labeled on actual relay!)
Proper connections to relay are explained in the following steps.
1) To top of vacuum switch
2) From (+) fuse, and to red (+) motor
3) Vehicle ground, battery (-)
5) To black (-) motor
1
3
5
2
7) Splice two wires together, and connect with a female end connector as show below. The
female end connector will connect to terminal 2 on the relay, one wire to the positive (+)
switched power source (to fuse), and the last wire to the positive (+) pump motor side.
To (+) switched power
To red (+) pump motor
To relay terminal 2

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8) Now make one length of wire with a female end connector on one end, and a female bullet
nose connector on the other. Connect female terminal connector to relay terminal 5, and the
female bullet nose connector to the pump motor black (-) side.
To black (-) pump motor
To relay terminal 5
9) Now install vacuum switch clip connector onto the end of a length of wire. Make sure to crimp
down ends!
Crimp down ends tightly

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10) Next, install a female end connector to the end of the wire, and insert the vacuum switch clip
connector into the vacuum switch connector as show below.
NOTE: CONNECTOR PIN ONLY INSERTS INTO VACUUM SWITCH
CONNECTOR ONE WAY! DO NOT FORCE PIN INTO BODY! MAKE SURE THAT
THE CONNECTOR LINES UP WITH PIN ON VACUUM SWITCH WHEN
CONNECTING!
Insert into switch connector
11) Finished assembly should look like the picture below. Now connect black vacuum switch
connector to top of vacuum switch, and connect female terminal to relay terminal 1.
Connect to relay terminal 1
Connect to
vacuum switch

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12) Lastly, make one wire as shown in the picture below. One end will have a female end
connector connected to relay terminal 3, and the other end will have a ring terminal that will
attach to a good ground point on the vehicle.
Connect to vehicle ground (-)
Connect to relay
terminal 3
13) Congratulations, you have completed installation of the vacuum pump! Before you start the
vehicle, review the simplified wiring diagram pictures below to make sure all of your
connections are correct:
To ground (-)
Relay terminal 3
To vacuum switch
Relay terminal 1
To (-) pump (black)
Relay terminal 5
(+) 12 volt
Relay terminal 2
To (+) pump (red)

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POSSIBLE ELECTRICAL PROBLEMS
FAULT POSSIBLE CAUSE SOLUTION
Pump doesn’t work Blown fuse Replace fuse
Switch not grounded Check wiring & ground
Vacuum switch connector not connected Check top of vacuum switch
Vacuum pump won’t stop Vacuum switch failure Replace vacuum switch
Relay failure Replace relay
NOTE: For frequently asked questions and technical reference information please visit
the tech section of our website at www.ssbrakes.com.