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Engine grounds- 2 small braided cables off valve cover, large light blue cable off negative battery terminal, are there any more engine grounds? 700 1990

posted by  blackdogjenny on  Tue Nov 18 14:34 CST 2003
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If there are supposed to be any more engine grounds I can't find them. I just want to make sure they are in good condition and that I am not missing any that might have broken off. Thanks for your input.
Keith
--
1990 740GL Wagon 223k AW70L B230F 8 Valve Non-Turbo Regina








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Engine grounds- 2 small braided cables off valve cover, large light blue cable off negative battery terminal, are there any more engine grounds? 700 1990

posted by  Jim Holst on  Wed Nov 19 04:33 CST 2003
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last visit: Tue Jan 4 11:05 CST 2011
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Besides the ones mentioned, (battery negative to frame or engine, braided gnd to cam cover, alternator gnd) there may be a ground lead from the AC compressor and some ground wires connected on the intake manifold.








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Engine grounds- 2 small braided cables off valve cover, large light blue cable off negative battery terminal, are there any more engine grounds? 700 1990

posted by  Don Foster on  Wed Nov 19 00:51 CST 2003
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last visit: Sun Oct 5 11:53 CST 2014
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The big mutha from block to battery carries the heavy starter and charging currents.

The little braids from valve cover to firewall suppress radio interference from ignition and injector pulses.
--
Don Foster (near Cape Cod, MA)








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Engine grounds- 2 small braided cables off valve cover, large light blue cable off negative battery terminal, are there any more engine grounds? 700 1990

posted by  B.C. on  Tue Nov 18 21:12 CST 2003
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last visit: Wed Mar 28 22:28 CST 2012
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Those two are the ones that count. Battery grounded to engine, and engine grounded to body. There is a wire from the alternator frame to the block, needed to gound the alternator to the engine. That's all I know off.

Good Luck,

Bob

:>)







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Engine grounds- 2 small braided cables off valve cover, large light blue cable off negative battery terminal, are there any more engine grounds? 700 1990

posted by  garlandw on  Wed Nov 19 00:06 CST 2003
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last visit: Wed Sep 10 08:58 CST 2014
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I vaguely recall a ground strap at the oil base pan at the front.

Bill

--
Volvo Info Site 1990 745GLE 16valve







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