SOLVED: Wiring diagram ec 250 gas gas - Fixya To have the fan running by jumping/bypassing the relay you need to have your engine running. There is a wiring diagram in the '05 user manual,,, Nov 10, 2008 | 2005 Gas Gas EC 450 FSE. 1 Answer Brake light. I am trying to hook up my Acerbis LED tail/brake light to my '01 EC250. I can get the tail light to work but not the brake light. Wiring diagram GASGAS 400 - Bikez Wiring diagram GASGAS 400 : Mario said 2009-06-30 10:43 Hi friends! someone of you has te wiring diagram of the 400 or 450 gasgas 2002 or 2003? Thanks in advance! Bikez also recommends that you check out the technical data and the riders' rating for the 02 GAS GAS SM 400 FSE. What to expectGas Gas 400 FSE - Gas Gas Motorcycles Oct 27, 2005I just bought a second hand 2002 400 fse that is like new. I really like the bike but do not know what to expect from the engine, for me it does not feel like a 47 hp engine. I am not an expert, in fact I am upgrading from a 84 XR200r and do not have a good reference to compare as I have never tr..