Call me a fool, but how do you check the secondary cable? I'm pretty sure I'm doing fine with my secondaries, but I'd still like to check them. Where abouts can you locate it to check if it works, which I'm guessing is just by working the throttle up to 3750 rpms via underhood. I've got the haynes manual, so if there's a diagram in there you can relate to, that's fine as well. Thanks!