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Home >> Mercury >> 1984 >> Lynx LTS, Standard, MTX >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - 4-CYL Diesel >> Testing >> Glow Plug Control Diagnosis >> No. 2 Glow Plug Relay

No. 2 Glow Plug Relay

  1. Connect test lamp between No. 2 glow plug relay output terminal (to glow plug) and ground. Turn ignition to "RUN". If test lamp does not light, replace No. 2 relay.
  2. No. 2 relay is mounted on top center of firewall under hood. If test lamp lights, go to Dropping Resistor.