fuel pump +- lines

[95s14sr]

Just installed a 255lph fuel pump on s14 sr20. The stock fp had 2 red lines hooked up and one has a grey line through it, is this the + or the - cable. Im thinkin that the red and grey one is the - and I hooked it up that way, Im just secound quess'n myself and I need someone 2 let me know.. lol..

[95s14sr]

????? ??? ????

[jrmiller84]

Your best bet would be that solid red is positive.

[Mikester]

Check resistance between each wire & ground. That'll tell you 4 sure which one your ground is=)