Search results

Just unscrew the electrical connection on top of the unit its all on module. Be aware that you will have no warning for low air or if your parking brake is on. On an all air brake truck be very carefull.

Sitting in the drivers seat, its by your left foot on the side of the cab next to the lower fresh air vent. The unit is black unless you have a new type then its green plastic. The wire connector is on the top with two bolt that hold it on, one on each side.

The new failsafe warning unit is different than the old. Its a completely sealed unit with no external speaker like the old unit. Its completly enclosed in pastic. The guys at Boyce said that the old type units seem to fail more often.

No, the old buzzer would stay on regardless even if I bypassed both pressure switches. So, I had two problems in the system that caused the lengthy trouble shooting, bad buzzer and pressure switches !

Got the new failsafe warning module in. Put it in and guess what it works ! I did have to bypass both pressure switches to see if it would go out and it did. Did some more trouble shooting and only one of my pressure switches is bad so I put the good one on the primary air tank. Works...

Read the first post. I did check both pressure sensors. The module doesn't only control/warn regarding air pressure, the hand brake warning is also tied into it. These trucks have multiple systems tied into each other for safe operation like todays cars. Removing a sensor or warning...

$190

Orderd the warning control module from white owl. They had a new one on the shelf. Hopefully I'll get it on thursday and install it.

I talked with Boyce equipment and their technician said the buzzer is integrated in the failsafe warning control module. They are working at finding me a replacement.

I've been through the TM's with only one reference in Vol 1 24-1 page 2-160 regarding this. Both of my pressure switches are working. When I disconnect the main cable from the failsafe warning control module the light and buzzer go out. The TM says to replace the buzzer but I can't find where...