
Juice Box Stage 3 Professional (Pin out) Installation Guide – 5/13/09
JB3 Pin Out Installation Guide
© 2009 Copyright Burger Motor Sports, LLC
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Troubleshooting Guide
Troubleshooting is broken in to two distinct groups. The first are issues that come up during
installation, like failure to start, yellow engine light (CEL) upon first start, etc. The second
are issues that arise after the tuner has been installed and working properly for some time.
This guide deals only with installation related issues. But should you ever experience a
yellow engine light (CEL) or service engine soon code (SES), you should email BMS
directly at
for technical advice. We have seen it all and can
quickly help you determine whether or not the issue is related to the JB3 and what to do next.
We encourage customers NOT to make pleas for help on internet forums as more often than
not they receive incorrect or bad information. By purchasing a tuner from BMS you have
paid for support, so feel free to use it!
Common installation problems:
Engine cranks and cranks but will not start, or takes longer than normal to start:
Cause 1) One or both ECU connectors are not fully seated. They can be tricky to get in but
when done properly the connector will seat itself as you are pushing the slider in. Remove
connectors and try again until you are positive they are fully seated.
Cause 2) One of the wires is installed in the wrong slot or has become unplugged under the
tape. Recheck each carefully verifying the wire color and connector position.
Cause 3) You forgot to plug the JB3 control module in to the wiring harness.
Engine starts but has a big yellow check engine light showing (CEL):
Cause 1) JB3 control box not plugged in.
Cause 2) One of the wires is installed in the wrong slot or has become unplugged under the
tape. Recheck each carefully verifying the wire color and connector position.
Cause 3) Incompatibility issue with O2 simulator. This only effects customers with
aftermarket O2 simulators/downpipes. Contact us for further instruction.
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