Grand Prix Facebook Pages

[SgtMarshal]

When i realized there were grand prix clubs on facebook i thought it was cool, but the more I go on there, The less I want to come back. I have found myself leaving most of the groups I was part of and am now down to 2 groups. I think if we are going to be part of a grand prix group on facebook we should all pick one or two and consolidate. that way when stupid people act like themselves it is easier to gang rape them.

[HighOctaneRacing]

When i realized there were grand prix clubs on facebook i thought it was cool, but the more I go on there, The less I want to come back. I have found myself leaving most of the groups I was part of and am now down to 2 groups. I think if we are going to be part of a grand prix group on facebook we should all pick one or two and consolidate. that way when stupid people act like themselves it is easier to gang rape them.

Gang rape them? LOL

[Turbocharged400sbc]

huh go figure i found it with working pics
http://www.gminsidenews.com/forums/f...0/#post2379747

2005-09
All Vehicles - Diagnosing and repairing fretting corrosion
Do this--- Disconnect affected connector and apply lube
Dont do this--- Don't replace modules without duplicating condition
09-06-03-004




Fretting corrosion is a buildup of insulating oxidized debris (nonconductive material) caused by micro motion between two contact surfaces. (Fig 1)


It's commonly found on tin plated terminals, such as Micro pack 100and Micro pack 64 connections.


Past Serviceability Issues

Replacement of sensors, modules and other components will result in only a temporary relief of a fretting issue. Actually, just the cycling of a connector will clear the fretting corrosion from the terminal, correcting the condition for a short time until fretting corrosion builds back up again.

Typical issues caused by fretting corrosion include:
- Intermittent electrical component operations
- DTCs being set, or No Trouble Found (NTF)
- Low current signal circuits -- fretting corrosion (high resistance) can cause intermittent connections
- High currentpower circuits -- permanent increases in the connection resistance can lead to overheating


Evidence of Fretting

Fretting usually appears as:
- small, dark smudges on electrical terminals
- smudges at the locations of electrical contact (Fig. 2)

(Fig. 2)

In less severe cases, it may require a magnifying glassto identify a fretting condition.


Causes of Fretting

Fretting is caused by the motion between the connector and the terminal, which can be due to:
- Vibration - micro motion between two contact surfaces causing build up of insulating oxidized debris (nonconductive material)
- Thermal cycling
- Packaging of the connector, wiring harnessand/or device
- Poor connection/terminal retention


With continued microscopic fretting, enough insulating tin-oxide wear debris can build up high resistance creating intermittent connections. (Fig. 6)


Service Solution

Disconnecting and reconnecting a connector will temporarily "fix" a fretting condition, but it will eventually come back if the conditions for fretting still exist. The best preventative measure is to perform the following:
1. Disconnect the appropriate module(s)/connector(s)
2. Lube both sides of the connector (module side and harness side) with NyoGel® 760G lubricant, GM part number 12377900 (in Canada, P/N 10953529)
3. Reconnect the connector
4. Wipe away any excess lubricant
5. Duplicate the condition per the SI Diagnostic Procedure Instruction section
- Circuit/System Description
- Conditions for Running/Setting the DTC
- Circuit/System Verification

IMPORTANT: If the condition CANNOT be duplicated, the repair is complete. DO NOT replace the module/component/part.