2008 chevrolet upland wiring

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caddyroger

Member - Posts: 6

Joined: September 21, 2008

Posted: October 18, 2008 at 5:35 PM / IP Logged

On a 2008 Chevy Uplander all of the wiring is 16 some 14 ga. On the wiring diagram the starter wire is yellow. The yellow goes from the ing switch to the BCM and is only 16g. How would you test this wire? Does the switch makes ground? Would this be the same for the ass and ign wie?

Caddy

i am an idiot

Platinum - Posts: 13,715

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: October 19, 2008 at 8:01 PM / IP Logged

Battery	RED	(+)	AT VEHICLE BATTERY
Ignition 1	PINK	(+)	IGNITION SWITCH HARNESS
Accessory 1	BROWN	(+)	IGNITION SWITCH HARNESS
Starter 1	YELLOW	(+)	IGNITION SWITCH HARNESS
Anti-Theft Type	GM PASSKEY III® VEHICLE IMMOBILIZER
Anti-Theft Descript	THE KEY SENDS AN RF SIGNAL TO THE BCM MODULE THROUGH AN ANTENNA LOCATED AROUND THE IGNITION CYLINDER
Key Sense	LIGHT GREEN	(-)	IGNITION SWITCH HARNESS
Tachometer	TAN	(AC)	AT PCM MODULE INSIDE AIR CLEANER ASSEMBLY
Crankshaft Sensor	LIGHT BLUE/WHITE	(AC)	AT PCM MODULE UNDER AIR CLEANER UNDER HOOD
Camshaft Sensor	BROWN / WHITE	(AC)	AT PCM MODULE UNDER AIR CLEANER UNDER HOOD
Speed Sense	DARK GREEN	(AC)	RADIO HARNESS
Parking Lights	BROWN / WHITE	(-)	AT BCM MODULE TO LEFT OF STEERING COLUMN BEHIND DRIVERS SIDE OF DASH
Brake Lights	WHITE	(+)	AT BCM MODULE TO LEFT OF STEERING COLUMN BEHIND DRIVERS SIDE OF DASH
Reverse Lights	LIGHT GREEN	(+)	AT BCM MODULE TO LEFT OF STEERING COLUMN BEHIND DRIVERS SIDE OF DASH
Horn	TAN	(-)	AT BCM MODULE TO LEFT OF STEERING COLUMN BEHIND DRIVERS SIDE OF DASH

According to the info above the start wire is Positive.

caddyroger

Member - Posts: 6

Joined: September 21, 2008

Posted: October 19, 2008 at 9:06 PM / IP Logged

The pink, brown and the yellow wires are 16 gage. When I connect a test light from the yellow to ground I do not show any voltage when the key is in the start prosition.

Caddy

i am an idiot

Platinum - Posts: 13,715

Joined: September 21, 2006

Location: Louisiana, United States

Posted: October 19, 2008 at 9:50 PM / IP Logged

You really do not need to be using a test light in a newer vehicle. Did the vehicle turn over when you were testing it with the test light?

caddyroger

Member - Posts: 6

Joined: September 21, 2008

Posted: October 19, 2008 at 10:17 PM / IP Logged

Nothing. Maybe this week end I'll retest using my voltmeter. I wish I could find the wiring diagram for the Van. The chiltons, alldated do not have the 2008 Uplander listed.

Caddy

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2008 chevrolet upland wiring

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