Did a Bad Thing
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Tuned
Joined: Jun 2006
Posts: 363
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From: Graham WA
Fused Link - Voltage Drop ??
A friend of mine told me that the fused link on some cars not only protects the circuit but that it provides resistance to lower the voltage down stream of the fused link.
Is that why it is important to replace the blown fused link wire with same length?
Can someone comment on whether that is the case on the 1986 460 F250 wiring?
Thanks
Is that why it is important to replace the blown fused link wire with same length?
Can someone comment on whether that is the case on the 1986 460 F250 wiring?
Thanks
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Joined: Jan 2001
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From: Virginia
A fusible link is not used to intentionally add resistance for any design reason. But like a fuse, they do add a little bit, though they try to keep it to a minimum.
The size of the fusible link is important for the same reason it's important to replace a fuse with the same original size. You are trying to provide the proper protection for the components and wiring in that circuit. The size of the fusible link determines how much current can flow before it burns in two, just like a fuse.
The size of the fusible link is important for the same reason it's important to replace a fuse with the same original size. You are trying to provide the proper protection for the components and wiring in that circuit. The size of the fusible link determines how much current can flow before it burns in two, just like a fuse.
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Tuned
Joined: Jun 2006
Posts: 363
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From: Graham WA
Well she is running again!!! The error I made took out one fused link and the ignition control module. I didn't get a chance to check whether the alternator is charging. Will do that tomorrow or Monday. Thanks to all who chimed in with help. I learned a lot about tracing the circuit back to the real issue. I was able to also determine that the fuel pump relay was fine.
Tom
Tom
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