Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Connector Numbers
Pin Assignment:
Connector Numbers:
Number
Type
Description
X332
5-pin, white
GM-A
X253
26-pin green
GM-B
X254
26-pin, white
GM-C is only installed in conjunction with power windows.
X255
26-pin, yellow
GM-D
X258
20-pin, black
RM-A up to model year '88
RM-B as of model year '89
X259
20-pin, white
RM-B up to model year '88
RM-A as of model year '89