I just bought 97 300ex the guy said it needs new starter and a solenoid I got new solenoid hooked it up and it only clicks when I ground the green wire from solenoid that connects Into the wire harness.if I don’t ground that it won’t make any noises.when I turn key on the reverse light comes on but the neutral light never will I have good fuses and a battery I cleaned the terminals. Can anyone help please?