Replacing the Obsolete 3-Post Relay

Most 3-post relays were used as pump relays and must be replaced with the RAP35723 Intermittent Duty (PUMP) relay. When replacing a 3-post relay, different wiring will most likely be required. For any battery cables, jumper wires or band clamps needed to complete the repair see “Associated Relay Parts”.

  1. RAP35723 12 Volt Intermittent Duty Relay
  2. RAP1523 Jumper Wire White w/ 3/8" and #10 Ring Terminals
  3. MI1518 Wiring Instructions for 4-post relay
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