93 940 turbo wagon

  • Thread starter Thread starter Ed
  • Start date Start date
E

Ed

You guys are great. New problem, just started.

My Tac will become erratic at low speeds or idle. It will very from 0 to
2000 rpm or more. When is get to highway speeds it reads normal. I suspect
and electrical problem as the condition changes with lights on or off.
Blower on or off, etc.
Earlier I had ask for help on a chirp sound in the AM radio. I'm thinking
there may be a connection, perhaps in the alternator or regulator?

Suggestions please

Ed
 
Ed said:
You guys are great. New problem, just started.

My Tac will become erratic at low speeds or idle. It will very from 0 to
2000 rpm or more. When is get to highway speeds it reads normal. I suspect
and electrical problem as the condition changes with lights on or off.
Blower on or off, etc.
Earlier I had ask for help on a chirp sound in the AM radio. I'm thinking
there may be a connection, perhaps in the alternator or regulator?

Suggestions please

Ed
Click to expand...


This sounds like a grounding problem somewhere. How's the strap between
the cylinder head and firewall? There's another ground wire on the
alternator, and of course the negative battery cable.
 
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