Ground point G103
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Meters and relaysdon't compute. There's no real current pull through the points, so a meter can say OK even if the current carrying ability is 0.001%.
You need a relay tester. I've found several questionable relays on my own TB/RXT --- they ARE getting a little long in the tooth by now anyway.
I cannot recommend just dashing out to the NiLite or Bosch relay stores (both are good) and buying a slug of new relays unless money constantly falls off your money tree in the back yard.
Here's the tester I bought --- but it's not available on Amazon any more --- this is a different selling company of which I have NO information ... but it iS the same tester and approximately the same price.
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You need a relay tester. I've found several questionable relays on my own TB/RXT --- they ARE getting a little long in the tooth by now anyway.
I cannot recommend just dashing out to the NiLite or Bosch relay stores (both are good) and buying a slug of new relays unless money constantly falls off your money tree in the back yard.
Here's the tester I bought --- but it's not available on Amazon any more --- this is a different selling company of which I have NO information ... but it iS the same tester and approximately the same price.
MAYBE?...
Various Interior Electrical Concerns, IP Gauges/Lighting Inoperative, HVAC Controls Inoperative, Blower Motor Inoperative, Radio Inoperative, Flasher Inoperative (Repair Ground 201)
TECHNICAL SERVICE BULLETIN Reference Number(s): 04-08-45-010, Date of Issue: September 24, 2004 Affected Model(s): 2004-2005 Buick Rainier; 2002-2005 Chevrolet TrailBlazer, TrailBlazer EXT; 2002-2005 GMC Envoy, Envoy XL; 2004-2005 GMC Envoy XUV; 2002-2003 Oldsmobile Bravada
CONDITION: Some customers may comment on intermittent operation of various electrical components in the interior of the vehicle. Components that can be affected are not limited to the list that follows: IP Gauges/Lighting Inoperative HVAC Controls Inoperative Blower Motor Inoperative Radio Inoperative Flashers Inoperative Transfer Case Shift Controls Inoperative Service information ground distribution schematics should be reviewed for complete detail of items grounded at G201. CAUSE The cause of these conditions may be a loose or ineffective connection at ground splice pack G201 located on the right side of the front console area.
CORRECTION: Repair the ground splice pack G201 connection using the procedure listed below.
1. Remove the center floor console.
2. Remove the 4 screws that retain the instrument panel (IP) lower closeout carpet panel to the IP substrate.
3. Remove the IP lower closeout carpet panel.
4. Remove the ground splice pack G201 bolt. If the bolt shows any sign of discoloration, clean the bolt using a wire brush.
5. Remove any carpet that may have been trapped during assembly. Clean the ground surface on the body using an emery cloth.
6. Install the IP lower closeout carpet panel.
7. Install the 4 screws that retain the IP lower closeout carpet panel to the IP substrate.
8. Install the center floor console.
This is the location as I understand it:
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Various Interior Electrical Concerns, IP Gauges/Lighting Inoperative, HVAC Controls Inoperative, Blower Motor Inoperative, Radio Inoperative, Flasher Inoperative (Repair Ground 201)
TECHNICAL SERVICE BULLETIN Reference Number(s): 04-08-45-010, Date of Issue: September 24, 2004 Affected Model(s): 2004-2005 Buick Rainier; 2002-2005 Chevrolet TrailBlazer, TrailBlazer EXT; 2002-2005 GMC Envoy, Envoy XL; 2004-2005 GMC Envoy XUV; 2002-2003 Oldsmobile Bravada
CONDITION: Some customers may comment on intermittent operation of various electrical components in the interior of the vehicle. Components that can be affected are not limited to the list that follows: IP Gauges/Lighting Inoperative HVAC Controls Inoperative Blower Motor Inoperative Radio Inoperative Flashers Inoperative Transfer Case Shift Controls Inoperative Service information ground distribution schematics should be reviewed for complete detail of items grounded at G201. CAUSE The cause of these conditions may be a loose or ineffective connection at ground splice pack G201 located on the right side of the front console area.
CORRECTION: Repair the ground splice pack G201 connection using the procedure listed below.
1. Remove the center floor console.
2. Remove the 4 screws that retain the instrument panel (IP) lower closeout carpet panel to the IP substrate.
3. Remove the IP lower closeout carpet panel.
4. Remove the ground splice pack G201 bolt. If the bolt shows any sign of discoloration, clean the bolt using a wire brush.
5. Remove any carpet that may have been trapped during assembly. Clean the ground surface on the body using an emery cloth.
6. Install the IP lower closeout carpet panel.
7. Install the 4 screws that retain the IP lower closeout carpet panel to the IP substrate.
8. Install the center floor console.
This is the location as I understand it:
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