![1.14.4 CM7 Board Pin Positions and Harnesses](/images/new-backgrounds/60045/6004585x1.webp)
1.14.4 CM7 Board Pin Positions and Harnesses
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Connector | From/To | Harness PN | # | Function | Voltage | Wire Color |
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| 1 | 12VAC In | 12VAC |
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| 2 | Ground |
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| 3 | 12VAC In | 12VAC |
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| 4 | FV Heat Demand |
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| 5 | V Relay | 12VDC |
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| 6 | DV Heat Demand |
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| 7 | R/H B/L | 12VDC | Black |
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| 8 | Analog Ground |
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| Interface | 8074199 | 9 | L/H B/L | 12VDC |
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| SMT Computer to | 10 | ALARM |
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J2 | Board to |
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Interface Board | 11 | Sound Device | 5VDC |
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| Computer |
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| Harness |
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| 12 | ALARM |
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| 13 | FV Probe |
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| 14 | Common Probes |
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| 15 | DV Probe |
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| 16 |
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| 17 |
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| 18 |
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| 19 |
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| 20 |
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| 1 | Ground |
| Black |
| Previous CM7 | 8074546 | 2 | CAN Lo |
| Red |
J6 | J7 or Network | Computer | 3 | CAN Hi |
| White |
Resistor | Communication | 4 |
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| Harness |
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| 5 |
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| 6 |
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| 1 | Ground |
| Black |
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| 8074546 | 2 | CAN Lo |
| Red |
J7 | ATO J1 or | Computer | 3 | CAN Hi |
| White |
Next CM7 J6 | Communication | 4 |
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| Harness |
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J9 |
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| 1 | Vat #1 |
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| Interface | 8074573 | 2 | Vat #2 |
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| 3 | Vat #3 |
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J10 | Board Ground | Computer Locator |
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4 | Vat #4 |
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| to Computer | Harness |
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| 5 | Vat #5 |
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| 6 |
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J11 | SD Card |
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