HIGH CURRENT CONNECTIONS
The Curtis 1310 has several options from supply power to the controller. Since the 1310 Vehicle
System Controller has many outputs, it is possible to draw a significant load from the battery.
The B- high power tab must be used as the controller ground reference if more than 2 amps
current is expected in the total system. Likewise, if the system could draw more than 2 amps of
current from the B+, the B+ high power tab must be used to power the controller. If the driven
loads are inductive, the load's power must be connected to B+ high power tab and the B+ high
power tab must be connected to the battery (as shown in the standard wiring diagram).
When using the high power connections tabs, be careful not to bend or break the tab while
tightening the bolt. For best results, use a pressure washer (convex side up) under the bolt head.
This will help prevent the joint from loosening over time.
To help prevent overheating the joint, insure the that wire cable gage is sufficient to carry the
continuous and maximum loads that will be seen by the 1310.
Table 1. High Current Connections
NAME DESCRIPTION
B+ Battery positive connection tab
Internally connected to J1-24. See table 1
B- Battery Negative connection tab
1310 Vehicle Control System Users Manual Release Rev B Page 7 of 51
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