I drove the Mark VI for the first time in about two weeks last night, no issues whatsoever. Went to start it today to drive it to work, turned the key on, warning lights came on fuel pump ran, went to crank it and heard the starter engage, then I lost all power. No power to anything, no interior lights, nada. Now I had this happen once before and it was because the negative battery cable popped off the battery. Not the case this time, battery connections are good, still no power. Any ideas?
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1983 Mark VI no power (electrical)
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All your other grounds ok? Certainly an electrical issue. Cables to starter relay and then to starter ok? Neg battery cable to engine good? I'd check all those first as it sounds like a bad cable or bad connection.What I Own: 1993 Mercury Grand Marquis GS
What I Help Maintain: 1996 CV / 1988 CV / 1988 Tempo
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Originally posted by friskyfrankie View PostAll your other grounds ok? Certainly an electrical issue. Cables to starter relay and then to starter ok? Neg battery cable to engine good? I'd check all those first as it sounds like a bad cable or bad connection.
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Typically the loss of power is from the main circuit breaker, which is attached to the starter relay, tripping.
I don't have a great understanding of why this happens but every time it happens to me, it's when I'm using a weak battery. My theory is the low voltage causes the various loads (in that case, the starter relay itself) to pull too much current and then trip the circuit breaker. Hopefully gadget can appear to tell me why this is or is not the case.
If you disconnect the battery negative and reconnect it, the condition should be resolved, but it might happen again. I'll suggest load-testing the battery. If the battery checks out, my next hit list item would be any other possible cause of voltage drop, so cables and terminals as noted above.Last edited by kishy; 09-13-2022, 01:55 PM.
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Originally posted by WagonMan View PostJump the starer solenoid and see if it cranks. If it does I would check the ignition switch. WagonMan
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whenever I've had one go totally dead it was a bad connection on the battery cable, could be battery end, could be the other end, but its a main hot or ground.86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers
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