NO START, but the battery is good
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Northstar Engines and System Technical Discussion Discussion, NO START, but the battery is good in Cadillac Engine Technical Discussion; I have a 99 cadillac deville base model. The car currently does not start. At first, it started taking a ...
  1. #1
    soccer_eldorado is offline Cadillac Owners Fanatic
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    NO START, but the battery is good

    I have a 99 cadillac deville base model. The car currently does not start. At first, it started taking a few seconds to start (it didn't sound slow - there was a rapid clicking coming from the starter before it would fire up). I had the battery tested- it was good. I'm wondering if the starter is bad, but there are no codes. Oh yeah, the connections were good as well. So, now if I need to replace the starter, I kno it's under the intake manifold, so what all bolts do I need to replace than the six obvious ones beside the fuel injectors? Anybody had this problem?

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    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: NO START, but the battery is good

    Does the starter motor actually roll the engine over smartly? Or just click?

    If you'll go back through this Forum (Performance....) for several pages you'll find at least 4 threads concerning your manifold removal, with pictures.

    It's an afternoon job.

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    soccer_eldorado is offline Cadillac Owners Fanatic
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    Re: NO START, but the battery is good

    At first there was a rapid click, now there is nothing. The dash lights up, but no cranking, clicking, antying. There are no current codes, just a history IRC 1552 code, but I think that's from taking out the battery to have it load tested.

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    Ranger's Avatar
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    Re: NO START, but the battery is good

    Yeah, get the battery load tested before tearing into the starter. My money is on the battery.

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    soccer_eldorado is offline Cadillac Owners Fanatic
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    Re: NO START, but the battery is good

    Well I put a new starter in (pain in the you know what), but still nothing, I just don't get it. I tried jump starting it with my trusty lincoln, but still nothing. I had the battery tested at Autozone, and the machine said good batter. Do you guys think it might be the ignition switch, and if so, how do you get if out of the steering column? I don't see any bolts.

  7. #6
    chubbyranger is offline Cadillac Owners Connoisseur
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    Re: NO START, but the battery is good

    Was 99 Deville Passkey or VATS? Does your ignition key have the resistor slug?

    The start circuit usually goes ignition switch -> starter enable relay -> neutral safety switch -> starter solenoid. If you can trace that path it should lead you to the fault. Any of the components listed going bad could cause your problem. Getting to the NSS may be easiest, its usually on top of the transaxle. Depending on if you have voltage on the start circuit at the NSS when the key is turned will determine which way to continue.

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    soccer_eldorado is offline Cadillac Owners Fanatic
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    Re: NO START, but the battery is good

    I just cleaned the battery connections- still nothing, so new starter, not the issue, cleaned the ignition switch with WD40-nothing. I can hear the fuel pump priming when I turn on hte key, but dead silence from the engine, nothing at all coming from the starter. What does the neutral safety switch look like?

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    Ranger's Avatar
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    Re: NO START, but the battery is good

    The neutral safety switch should what your shift cable is connected to. Try wiggling the shifter while holding the key in the start position.

  10. #9
    soccer_eldorado is offline Cadillac Owners Fanatic
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    Re: NO START, but the battery is good

    Thanks Ranger, but that didn't work either, I guess its getting about time to trade it in. It has 165k miles on it and has given me 0 problems until now ( I know, it falls within the bad head gasket years), but I found a immacculate 97 Lincoln Town Car Cartier in Cordvan REd, I think I ought to trade it in. Lincoln doesn't have the glitziness of a cadillac, but I will never have to worry about all the things that are on a Cadillac

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    chubbyranger is offline Cadillac Owners Connoisseur
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    Re: NO START, but the battery is good

    Quote Originally Posted by soccer_eldorado View Post
    I found a immacculate 97 Lincoln Town Car Cartier in Cordvan REd, I think I ought to trade it in.

  12. #11
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    Re: NO START, but the battery is good

    Argg! Linkolins - for those that really want to drive a Cadillac - Argg!!! K_C

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    Chubbyranger or Ranger, can you list steps on diagnosis?

    ignition switch -> starter enable relay -> neutral safety switch -> starter solenoid.
    Chubbyranger, the guy says he can hear the fuel pump, but I'm guessing that's with the ignition switch in the "on" position. I'm curious as to how to diagnose the ignition switch and the starter enable relay. Where on a 97 SLS would the starter enable relay be found? The reason I ask is that my car is 11 years old and if the starter conks out, I don't want to remove the intake manifold and replace it to have this same dilemma. Can you outline how to test each component before resorting to replacing the starter?
    Thanks - Greg

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    chubbyranger is offline Cadillac Owners Connoisseur
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    Re: NO START, but the battery is good

    On my 90 Deville the starter enable relay was buried up under the dash along the right (passenger) side of the steering column. All by itself just hanging by one 10mm bolt. I pulled it and jumped the connector and got crank but no run since Passkey also shuts off the fuel injector pulses as well. That was the point where I concluded the Passkey wires were broken in the column and used the resistor bypass trick. That required a Factory Service Manual that provided very precise locations for all electrial components. If you have located the NSS I would try pulling the connector off and probing it for 12 volts with the key in start, use either a multimeter or test light. If you want to gamble that 97 is the same as 90, poke around where my starter enable relay was, but again FSM showed me which two wires to jump together. Without that wiring diagram you are just rolling the dice.

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    greg-sls's Avatar
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    Re: NO START, but the battery is good

    Thanks for the tips, Chubbyranger...I will add this to my changing starter notes. I think I should locate both the NSS and the relay on my car so they can be diagnosed prior to removing the starter for change-out. Do I assume correctly that the NSS only permits a circuit flow to the starter when the shifter is in either Park or Neutral? Does anyone have an FSM for the 97 Seville that confirms these locations for the relay and NSS? Thanks again.

  16. #15
    chubbyranger is offline Cadillac Owners Connoisseur
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    Re: NO START, but the battery is good

    The NSS is almost always on top of the transaxle. Just follow the shift cable and it should be the electrical connector at the end. You are correct in the function of the NSS. The starter enable relay location is anybody's guess. Its possible they moved it around in case enterprising theives developed a quick bypass, its possible they left it in the same place for everything. Its possible your car is wired differently as well because I am going from memory on a 1990 Deville, but I'm assuming that the VATS system is essentially the same across all the cars it was used on. The diagnosis for me took two days and an e-mail to the former Cad tech that sold me the manual before I completed the diagnosis phase. You can also test the VATS wires in the column if you pull the monster connector off at the base of the steering column. Using an ohmmeter with the key out of the ignition measure resistance (should be an open circuit). Insert the key and measure again - should get some value - mine was 15K ohms. If no change then your wires are broken or the contacts on the ignition cylinder are dirty or damaged or your key is dirty or damaged. Just for kicks, did you try a spare key?

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