need wisdom

[hardcorecar]

hye everyone...need some wisdom from da oldies...it's about afc 5 button...i heard that if u wanna install this item on twin cam engine u need RPM relay converter (that's what i've heard)...is this true???really wanna know...

 

[DanzEterna]

u mean harness?

 

[hardcorecar]

u mean harness?

No..it somekind of relay which connected on rpm wire between afc and c.box..I wonder if it is true for twin cam engine need to install this relay..is it necessary??