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SportTrac Discussion
Projects
Truck goes crazy when key is out of the ignition, Instrument cluster goes on and off, beeps, ...but I don't think it's the actual instrument cluster.
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<blockquote data-quote="Evox" data-source="post: 1041688" data-attributes="member: 74754"><p>You're right; it could be the cluster. <em><strong>...again</strong></em>. Manifesting the weirdest cluster problem I've ever read about. </p><p></p><p>One where the truck's electronics and gauges are absolutely 100% flawless when driving or when the truck is running. </p><p></p><p>One that ONLY manifests itself <strong><em>sometimes</em></strong> when the truck is off by actually energizing things. If it's the relays, more than one is faulty because I've switched them around. There are only two different relay types in this truck. </p><p></p><p>I wish there were some way I could narrow it down to the cluster or PCM. I know it's not the battery or alternator. Both check out fine. The battery holds 12.65 volts and never goes below 10.5 volts when cranking the truck. So is normal. So the battery has both voltage and cold cranking amps. The alternator starts charging around 14.1% when the truck is started and declines from there. So the alternator diode is working fine.</p></blockquote><p></p>
[QUOTE="Evox, post: 1041688, member: 74754"] You're right; it could be the cluster. [I][B]...again[/B][/I]. Manifesting the weirdest cluster problem I've ever read about. One where the truck's electronics and gauges are absolutely 100% flawless when driving or when the truck is running. One that ONLY manifests itself [B][I]sometimes[/I][/B] when the truck is off by actually energizing things. If it's the relays, more than one is faulty because I've switched them around. There are only two different relay types in this truck. I wish there were some way I could narrow it down to the cluster or PCM. I know it's not the battery or alternator. Both check out fine. The battery holds 12.65 volts and never goes below 10.5 volts when cranking the truck. So is normal. So the battery has both voltage and cold cranking amps. The alternator starts charging around 14.1% when the truck is started and declines from there. So the alternator diode is working fine. [/QUOTE]
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SportTrac Discussion
Projects
Truck goes crazy when key is out of the ignition, Instrument cluster goes on and off, beeps, ...but I don't think it's the actual instrument cluster.
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