4000,S L4-1781cc 1.8L SOHC (MG) (1985)
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install combination switch, Part No. 035 919 561 in place of the .3 bar (4.3 psi) oil pressure switch on cylinder head
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install 1.8 bar (26 psi) oil pressure switch, Part No. 056 919 081E in place of the combination switch on oil filter flange
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do not connect blue/white wire
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using male connector and housing, add a section of wire to the blue/white wire removed from terminal G of old combination switch on oil
filter flange
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using female connector and housing reconnect blue/white wire to terminal G of new combination switch on cylinder head
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connect blue/black wire to terminal WK of new combination switch on cylinder head
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connect white/gray wire to new 1.8 bar (26 psi) on oil filter flange
Note
Ensure oil pressure switch wiring harnesses are properly routed and connected.