LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Engine Controls - Tests W/Codes - Body Control Computer) >> Self-Diagnostic Tests >> Test 88B - No Sound From One Speaker

Test 88B - No Sound From One Speaker

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Always turn ignition off prior to disconnecting any module connector.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  section at the end of this article. Perform TEST VER-1B after each repair.
NOTE: Radio must remain on during this test.
  1. Turn radio on. Disconnect both inoperative door speaker and Instrument Panel (IP) speaker connectors. Using scan tool in voltmeter mode, check voltage on door speaker connector terminal No. 3 (Dark Green wire on left side speakers; Violet wire on right side speakers). If voltage is less than 5 volts, repair open Dark Green wire or Violet wire. If voltage is more than 5 volts, go to next step.
  2. Check voltage on door speaker connector terminal No. 2 (Brown/Red wire on left side speakers; Dark Blue/White wire on right side speakers). If voltage is less than 5 volts, repair open Brown/Red wire or Dark Blue/White wire. If voltage is more than 5 volts, replace speaker.