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ER-SF1 Event Recorder with J1939 Network Instructions for Self Installation
Wiring and Wire Termination Suggestions
WARNING:
Failure to use proper wiring and wire terminations could lead to personal injury or
property damage. The following Wire Termination Suggestions should be followed to ensure
proper connections.
When installing the event recorder, there are several key rules to produce reliable electrical
connections:
1. Use ONLY 16- or 18-gauge automotive primary wire to connect to automotive circuits.
Specialty wire might be superior when used in its native environment, but not in the
automotive field (for example, Teflon wire is intended for high heat conditions, but should
never be used for connections of the event recorder in the vehicle).
2. For all connection methods, do not leave any exposed wire near the connector.
3. Do not use ScotchLoc, quick slide, or non-sealing butt connectors.
4. Posi-Tap connectors: Posi-Tap wiretap connectors may only be used inside the cab of the
vehicle and only for event recorder inputs. These include ignition, turn signals, and brake.
5. Crimp style connectors: All crimp style connectors must be the sealing type. Verify the
crimped connection is secure. Then heat up the connector to melt and seal it.
6. Fuse taps/Add-A-Circuits: If using a fuse tap (Add-A-Circuit), make sure that the hot leg of
the fuse receptacle connects to the leg of the fuse tap farthest from the connection wire. If
installed backwards, a fuse tap will compromise the original circuit. Never use a fuse tap on
an ECM, ECU, or control module circuit fuse.
ScotchLoc connectors
© 2017 Lytx, Inc. – Confidential & Proprietary – For Velociti's Use Only Re Beta ER-SF1 Installations. Page 18 of 26
Quick Slide connectors
Do not tap wire as shown
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