You have to be sure but most any BROWN wire is a ground, in VWs. Trace it. The Alt case is fine for a grounding point- BUT it gets spiky. Why not use the Chassis or engine block instead? TBerk -- Email problems to: scirocco-l-probs@scirocco.org To unsubscibe send "unsubscribe scirocco-l" in the message to majordomo@scirocco.org