2M + Sl, Side By Side - BPW ECO Tronic EBS Operating And Installation Instructions

2 Installation options (Confi gurations)
2.1 Semi and centre axle drawbar trailers
2.1.3 2S/2M + SL, side by side
Fig. 22
• Any axle without directly controlled wheels may be a lift axle.
20
(not recommended for self-steered axle)
S1B
21
A
22
S1A
S1B
22
A
21
S1A
S1B
21
A
22
S1A
S1B
22
A
21
S1A
Key
22
Modulators
21
ECU power connectors
A Select low valve (SL)
S1B
21
A
22
S1A
S1B
22
A
21
S1A