Cummins/Onan — Battery Cable Connections
Installation · battery cables
From a Cummins/Onan service manual covering: ES2075s, FS1870s, M11979s, M1976s, M1977s, M1978s. Check it applies to your exact model before use.
Applies to: Kubota 2482B engine
Before you start
- Electrical shock can cause severe personal injury; remove rings, watches and other jewelry.
- Batteries present the hazard of explosion; always disconnect the negative (-) cables first, and connect them last.
Procedure
- Remove the negative (-) battery cable connection(s) at the battery tray.
- Route both battery cables to the battery compartment using a path that allows tie points.
- Cut the battery cables to the correct length, allowing for routing and power unit movement.
- Install the 3/8-inch ring terminals to the battery cables with a good crimping tool.
- Connect the positive (+) cable to the battery positive terminal and the negative (-) cable to the negative terminal; tighten securely.
- Provide adequate support for the battery cables to avoid abrasion.
- Reconnect the other negative (-) battery cable connection(s) at the battery tray.
Tools required
- battery cable terminal crimping tool Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 3/8-inch ring terminals
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.