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Nov 12, 2011 18:06:17 GMT
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The Cadillac won't start due to lack of electrickery. However it has a (non standard) second battery. If starting it from a booster should I just jump the first battery as per normal? Or across both? And if so how do I connect the booster?
Begining to think the best idea is to remove and charge both batteries individually and then refit and start her up.
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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stuey
Posted a lot
ram thruster 4000
Posts: 1,010
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Nov 12, 2011 18:12:57 GMT
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my chevy g20 diesel truck had the same problem unless you have something with a monsterous v8 engine don't bother (well mine didnt play and we tried with w sherpa with a brand new battery and a £300 jump pack to no avail) I took mine off charged them and it started up no problems (for about a week until i realised the alternator was w*nked then i had to replace it and the batteries.
I read in my g20 manual later that you have to disconnect one of the batteries or connect it a certain way if you jump it to get it to work (at work at the mo and it escapes me what that way is (i can provide a scan when i get home if you want...
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1987 fiat 126-nearly actually done!
1972 beetle - lawn art
2003 z4 daily-new wheels a comin!
2008 R56 Mini cooper "mental Mickey"
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Nov 12, 2011 18:44:40 GMT
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its OK its only flat through standing 3 months so it shouldn't be a rucurring problem
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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Ads 19
Posted a lot
My old r19
Posts: 1,351
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Nov 12, 2011 19:53:38 GMT
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normally the second battery will have only one positive lead, the other will have loads. remove the earth off the second battery, as it "charging" will lessen current able to jump. if you got 2leads, and 2 jumpers use them!
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Nov 15, 2011 14:34:13 GMT
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I've jump started both an Isuzu Trooper and Mitsubishi Pajero by just connecting up to either battery and leaving everything connected. Both had ancilliary batteries as standard (which were only slightly smaller than the main starting battery).
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Nov 15, 2011 15:05:21 GMT
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I've removed the second battery now. I need it for another car LOL but useful info for the future.
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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Nov 15, 2011 22:44:46 GMT
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Charged and jumped loads of cars with double batteries, just connect one of 'em, otherwise you'll charge them with 6v / battery  You'll also charge both of them even if you just connect one to the charger. |
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Last Edit: Nov 15, 2011 22:46:51 GMT by dude
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Nov 15, 2011 23:02:14 GMT
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This all depends on how the batterys are connected. Are they both 12V? Is it a 24V starting system? Is one battery for starting and the other to power the rest of the electics?
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R.S. Autotech. Servicing/Repairs/Diagnostics.
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Nov 16, 2011 14:50:30 GMT
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both 12V, 12V starting system
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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Nov 16, 2011 16:31:09 GMT
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Just jump it on the one that the starter runs from then. Disconnect the other one otherwise it will just act as a drain.
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R.S. Autotech. Servicing/Repairs/Diagnostics.
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