Gauges not working
Lead Driver
Joined: Jul 2009
Posts: 6,477
Likes: 19
From: Sheffield, AL
Check the position of your ignition key and make certain it has returned to the appropriate position. With the engine running, just slightly wiggle the key and look for the gauges to suddenly come to life. This is not uncommon as the mechanical ignition switch [where the key goes] can stick.
Three gauges are controlled by the ICVR and if it does not get power [during starting cycle the power is disrupted], the gauges fail to work. The 3 gauges are the temperature, oil pressure and fuel gauge. The ammeter is on a different circuit.
Open this link: https://www.ford-trucks.com/forums/1...mechanism.html
Three gauges are controlled by the ICVR and if it does not get power [during starting cycle the power is disrupted], the gauges fail to work. The 3 gauges are the temperature, oil pressure and fuel gauge. The ammeter is on a different circuit.
Open this link: https://www.ford-trucks.com/forums/1...mechanism.html
Last edited by 1986F150six; Mar 31, 2016 at 02:39 PM. Reason: Added link.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
David is correct. To add to that, this page has info on troubleshooting the gauges: Fuel Tank Selector & Gauges - Gary's Garagemahal
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Josh88Ford
1999 - 2003 7.3L Power Stroke Diesel
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Sep 12, 2012 08:34 AM
