164 electrical ground locations

[Ian Lomax <sfalfisto@domain.elided>]

Does anyone know the locations of all the grounds in
the engine compartment of a 164?

In an effort to eradicate an intermittant check engine
light on my 164LS, I am trying to locate and clean all
the grounds in the engine compartment.

I found two at the pass. side of the intake manifold,
and one on the drivers side next to the oil cap. 
Cleaning these two helped marginally, I think.

There must be more hidden in there.  I'm setting the
coolant temp sensor fault (1214), but the light only
comes on while the engine is hot, under heavy loads. 
I've replaced the sensor with no improvement.

Thanks!
Ian Lomax
1971 Spider
1994 164LS
San Francisco, CA
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