2003 Ram OBD2 Port Fell Apart!
Champion
Joined: Mar 2004
Posts: 2,703
Likes: 2
From: Bremen, GA.
Cavity wire color function
1 empty
2 light blue/violet stripe pci bus
3 empty
4 black/dark green stripe ground
5 orange/black stripe ground
6 empty
7 pink sci transmit
8 empty
9 pink/light blue stripe sci receive
10 empty
11 empty
12 light green sci receive
13 empty
14 empty
15 white/dark green stripe sci transmit
16 pink fused b+
1 empty
2 light blue/violet stripe pci bus
3 empty
4 black/dark green stripe ground
5 orange/black stripe ground
6 empty
7 pink sci transmit
8 empty
9 pink/light blue stripe sci receive
10 empty
11 empty
12 light green sci receive
13 empty
14 empty
15 white/dark green stripe sci transmit
16 pink fused b+
Hall Of Fame
Joined: Mar 2009
Posts: 19,168
Likes: 23
From: South GA
Welcome to the site. You can click on the links in my signature to download the service manual for your truck and find those diagrams in there
Registered User
Joined: May 2021
Posts: 4
Likes: 2
Can’t find your link. Apologies. I am losing light and desperately just need guide to where these 8 colors go and into what hole in the housing.
2004 ram 1500 5.7
2004 ram 1500 5.7
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Registered User
Joined: Jan 2026
Posts: 1
Likes: 0
Will this be the same for 2000 ram2500 5.9 v?
Cavity wire color function
1 empty
2 light blue/violet stripe pci bus
3 empty
4 black/dark green stripe ground
5 orange/black stripe ground
6 empty
7 pink sci transmit
8 empty
9 pink/light blue stripe sci receive
10 empty
11 empty
12 light green sci receive
13 empty
14 empty
15 white/dark green stripe sci transmit
16 pink fused b+
1 empty
2 light blue/violet stripe pci bus
3 empty
4 black/dark green stripe ground
5 orange/black stripe ground
6 empty
7 pink sci transmit
8 empty
9 pink/light blue stripe sci receive
10 empty
11 empty
12 light green sci receive
13 empty
14 empty
15 white/dark green stripe sci transmit
16 pink fused b+