or your local gm or allison dealer and make sure you still have the plug for the hole for the extra hole were the wires come out of the trans were the trans dip stick would come out if it was on the drivers side.
or your local gm or allison dealer and make sure you still have the plug for the hole for the extra hole were the wires come out of the trans were the trans dip stick would come out if it was on the drivers side.