TD80™ Level Gauging and Overfill Prevention System Product Manual
Rev. 2, August 4, 2015/ TD80 Installation Page 39
8. Optional Gauge Enable toggle switch red wire to Finch GAUGE ENABLE (PTO) and
black wire to GROUND OR wire Finch GAUGE ENABLE (PTO) to Finch GROUND
when not connected to a PTO or brake air switch
NOTE: Once the Basic Installation Wiring is complete, refer back to section 2.1.2, TD80
Installation Steps Overview, for clarification on the next installation step.
2.5.3 Finch 5332, Internal Display Wiring Instructions
Wiring steps for single TD80 and Finch Display. Refer to Figure 2-16 for Finch 5332
internal Display installation.
1. Fused Power wire from the fuse or junction box through a 3A fuse to Finch POWER
IN (red wire)
2. Ground wire from the fuse or junction box to Finch GROUND (black wire)
3. TD80 Power (black wire) to Finch GAUGE PWR (red wire)
4. TD80 Ground (white wire) to Finch GAUGE GND (black wire)
5. TD80 SV Bus (red wire) to Finch SV BUS (yellow wire)
6. Finch Jumpers, see
Figure 2-36
b. J9 and Decimal Point shunt positions
i. J9 removed for Fill alarm, installed for Fall alarm (removed when shipped
from factory)
ii. Decimal point jumper for required display
7. Optional PTO or brake air switch to Finch PTO (orange) input OR wire Finch PTO
(orange) input to GROUND when not connected to a PTO or brake air switch
NOTE: Once the Basic Installation Wiring is complete, refer back to section 2.1.2, TD80
Installation Steps Overview, for clarification on the next installation step.
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