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Test C, Relay Center Test (SSE)

WARNING: This page is about a different car, the 1991 Pontiac Bonneville. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check for voltage at relay center with suspected relay removed.
  2. Check for voltage between terminal 5 and ground. Battery voltage should exist. If battery voltage does not exist, service/repair Orange wire for an open.
  3. Check for voltage between terminal 1 and ground. Battery voltage should exist. If battery voltage does not exist, service/repair Orange wire for an open.
  4. If testing Unlock relay put front door lock switch in Unlock position and hold. If testing Lock relay put front door lock switch in Lock position and hold. Check for voltage between terminal 4 and ground. Battery voltage should exist. If battery voltage does not exist, service/repair Bl-ack or Light Blue wire for an open.
  5. If testing Unlock relay put door lock cylinder switch in Unlock position and hold. If testing Lock relay put door lock cylinder switch in Lock position and hold. Check for voltage between terminals 5 and 2. Battery voltage should exist. If battery voltage does not exist, service/repair Light Green or Yellow wires for an open. Check door lock cylinder switches if wires are okay.
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