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Old 29-10-2016, 05:32 PM
liamobzr's Avatar
liamobzr liamobzr is offline
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Join Date: Aug 2009
Location: Co. Kildare
Posts: 258
Default Temp guage not working after m20b20 to m20b28 swap

Checked the zone wiki and it said the following;

" To test, first unplug the C101 and earth pin 4 (brown/purple wire). Now if you switch the ignition on, the gauge should go to full hot. If it does, repeat the test at the brown plug by removing the cable from the brown plug, and earthing the terminal with a piece of wire (for older cars with two-pin terminals, just bridge them together). If it now works, the issue is normally corrosion of the C191 plug."

only problem is there is no pin 4 on my c101 its empty

any suggestions greatly appreciated!

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