Okay so I brought it back to the shop becuase I have no time to play with it during the week. What they said was that something seems to be making the VATS relay short. The guy said that the clutch switch is getting power and transfering that to the relay and the tan/white wire to the relay is whats smoking up, or maybe the whole relay I haven't seen it yet. He said ignition switch is fine. He said the damn thing nearky caught on fire, he had the key turned on for a few seconds checking voltage and the relay started smoking. What the f*%! is that all about. Any ideas at all?

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-Bill
-=ICON Motorsports=-
Boston Chapter
91Z28, (in progress) 3.8L, TE63-1 turbo, MSD50lb injectors, Hemco upper, ported TTA heads, 62MM TB, Red's XP fuel pump, 3.73s, vigilante (stall to be determined)

 

I suspect a bad relay, but if they've already tried that, then I'd look at the wiring that is directly related to the relay.

There are only 4 components to the VATS system, so it should not be that difficult to diagnose if everything else is working ok (other than the VATS). If it's effecting other systems, well then you're in trouble...

 

The four wires are as follows.
Postition:

A: Tan/Wht This wire sends 12V when the relay is energized to the starter solenoid

B: Blk/Yel This is the relay ground, which the VATS module uses to energize the relay

C: Yel This is Power for the relay, and has 12V when the ignition switch is in "Crank".

E: Yel This is a thicker wire, but does the exact same as the other yellow wire, It feeds voltage to the Tan/White when the relay is energized.

[qoute]The guy said that the clutch switch is getting power and transfering that to the relay and the tan/white wire to the relay is whats smoking up,[/qoute]
Its actually the other way around. The relay sends voltage to the clutch switch. After leaving the clutch switch, the wire becomes purple and goes to the starter.

You obviously have a short somewhere, I would disconnect the PPL wire at the starter,and then measure continuity at the tan/white wire at the relay to ground. Then start by disconecting things like the clutch switch, and use that to see where the short is.



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