Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 224 (HANDSFREELINK SYSTEM)SYSTEM DESCRIPTIONHANDSFREELINK CONTROL UNIT 28P CONNECTOR
2008 Chevrolet HHR LT, 2.4 P, Automatic
HandsFreeLink Control Unit 28P Connector
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION HandsFreeLink Control Unit 28P Connector
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
CONNECTOR TERMINALS REFERENCE CHART
| Cavity | Wire Color | Terminal Name | Connects to | ||
|---|---|---|---|---|---|
| 1 | BLK | GND | Body ground to G503 | ||
| 2 | GRN | HFL STRG SW | HFL switch | ||
| 3 | BRN | HFL MUTE | Audio-navigation unit | ||
| 6 | LT GRN | NAVI COMM4 | Audio-navigation unit | ||
| 7 | PNK | NAVI COMM3 | Audio-navigation unit | ||
| 8 | GRY* | NAVI COMM SH | Shield for terminals No. 6, No. 7, No. 20, and No. 21 | ||
| 11 | YEL | TELM SIG+ | Audio-navigation unit | ||
| 12 | GRY(1) | MIC SH | Shield for terminals No. 13 and No. 14 | ||
| 13 | BLU | MIC+ | HFL-navigation microphone | ||
| 14 | PNK | MIC- | HFL-navigation microphone | ||
| 15 | PNK | +B | No. 1 (15A) fuse in the under-dash fuse/relay box | ||
| 16 | PUR | ACC | No. 14 (7.5A) fuse in the under-dash fuse/relay box | ||
| 18 | GRN | B-CAN | B-CAN communication bus line | ||
| 19 | BLU | HFL ICON | Audio-navigation unit | ||
| 20 | ORN | NAVI COMM1 | Audio-navigation unit | ||
| 21 | LT BLU | NAVI COMM2 | Audio-navigation unit | ||
| 25 | BRN | TELM SIG- | Audio-navigation unit | ||
| 26 | GRY(1) | TELM SIG SH | Shield for terminals No. 11 and No. 25 | ||
| 27 | RED | MIC SIG+ | Audio-navigation unit | ||
| 28 | GRN | MIC SIG- | Audio-navigation unit | ||
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.