This is the wiring diagram from www.e30dohc.com. I have an 88m3. I was wondering if this is the same chassis harness and the m3. If not, where i go about finding one. I do not have a m3 cluster. Standard 90' 6 cyliner cluster. Thanks in advance. Travis
Chart showing pin arrangement when swapping e36 motor into e30 chassis.
From Pin # For To Pin #
'86-91 325 '92+ 325i, M3
1 Alternator charging 25
2 Not used
3 Not used
4 Coolant temperature sender 12
5 Oil pressure 23
6 Not used
7 Ignition switch 21
8 Fuel rate 24
9 Engine Speed 20
10 Not used
11 Diagnostic connector 19
12 Check engine light control 8
13 Fuel pump relay 13
14 Oil level fault set 14
15 Starter motor 15
16 Not used
17 Not used
18 Starter 18
19 Oil temp X6031 pin 10
20 Coolant temp 11
In some 86-87 models, Speed output is
C104 under glove box Engine speed output, BK/BU Tach 20
Chart showing pin arrangement when swapping e36 motor into e30 chassis.
From Pin # For To Pin #
'86-91 325 '92+ 325i, M3
1 Alternator charging 25
2 Not used
3 Not used
4 Coolant temperature sender 12
5 Oil pressure 23
6 Not used
7 Ignition switch 21
8 Fuel rate 24
9 Engine Speed 20
10 Not used
11 Diagnostic connector 19
12 Check engine light control 8
13 Fuel pump relay 13
14 Oil level fault set 14
15 Starter motor 15
16 Not used
17 Not used
18 Starter 18
19 Oil temp X6031 pin 10
20 Coolant temp 11
In some 86-87 models, Speed output is
C104 under glove box Engine speed output, BK/BU Tach 20
