i converted a vn s2 v6 intake over to my s1 engine i used the fuel rails off the s2 intake an throttle body etc i just had to run the temp sensor an sender wires to the front under the alt insted of having them run at the back. everything runs fine. i have a problem with my thermo fans tho they wnt kick in the wiring to the ecu is all ok and all fuses an sensors an relays are all fine but fan still wnt kick in any thoughts??????