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Update - Progress! 900 1994

posted by  B.B. on  Sun Aug 7 12:40 CST 2022
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last visit: Mon Oct 6 13:15 CST 2014
[RELATED]

You never said if it starts with the AMM unplugged?
Did the ECU's changed have the same part numbers?

You might measure the current draw of Fuses 1 and 11
and see if the fuel relay (and ICU controller) is behaving.

See here for the nifty HF unit that measures current in a fused circuit:
https://www.brickboard.com/RWD/volvo/1685010/940/960/980/V90/S90/review_harbor_freight_30a_fuse_circuit_tester_67724.html

or use your VOM to measure DC millivolts across the top legs of the
ATC fuses 1 & 11
and derive current draw from the chart:



the complete chart is here:
https://m.roadkillcustoms.com/wp-content/technical-pdf/Standard%20ATC%20Fuse%20Voltage%20Drop%20Chart.pdf

Happy hunting, Bill






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