Definitely a replacement unit as the voltage regulator is a 21TR with a 1987 date code. When new the alternator could not keep up when A/C was on in stop and go traffic. I've found the answer to my question here http://www.tb-training.co.uk/16elect.htm The B+ stud is ok to use for the battery connection - diagram towards the bottom of the page in anyone's interested. John Walker suggested an alternator that has a single foot and that will not work. Now this 55 amp unit keeps the volt needle steady on charge with a full load plus a pusher fan (for back up), a first in 48 years. A temp cable bypassing it all from B+ to the battery gave 50 amps plus! Lucas A127 style alternator, LH mounting. We have a 75A Lucas A127 alternator (the later version of the ACR and more likely Lucas 'type', as I doubt it is actually Lucas!) It has a built in regulator, B+ and W marked connections. Tighten the bolt with the small wrench. Sabcat, August 24, 2014 in Equipment, http://i.ebayimg.com/00/s/MTIwMFgxNjAw/$T2eC16FHJGIE9nnWpr2eBQK39KC)Hw~~60_57.JPG. It looks like a Lucas A127 clone. Now this 55 amp unit keeps the volt needle steady on charge with a full load plus a pusher fan (for back up), a first in 48 years. I fitted the alternator today using the B+ stud and it works a treat. Prefer not to use the 90 amp Bosch that Mike Frank suggests. Bee's alternator showing the two large and one small spade i.e. Mike, did you get to the bottom of your voltage drop issues? A slightly newer Lucas type is an A127 which is available in 55A or 70A output. The A127 in my boat has only a stud connection! Image from JCR Supplies as being for an 18ACR alternator. I have a 70a unit, there is continuity on b+ at spade and stud. If this is the case we can only use one of the two large blades, if it is not the case we can use either, so first we must check. ... but the connection points at the back are a bit different. Thanks Complete Unit FIAT/MARELLI 54022053 FIAT/MARELLI 54022054 Sounds like a lot of crap to me but does anyone know for sure? Glenn, Success , this new cheap alternator is doing better than the original 60 amp Lucas when the car was new. Lucas a127 alternator repair kit regulator slip ring oil seal replacement lucas type a127 alternator repair kit regulator lucas marelli type a127 alternator 3 pin repair part kit parts replacement lucas a127 type 12 volt 12v alternator voltage. The original alternator fitted was the Lucas A127 as mentioned earlier with its correct part # AMR4249. Our Lucas alternators fit a wide range of engines. a127 alternator 3 pin terminal repair part kit replaces lucas marelli rectifier regulator bearings slip ring etc mobiletron 5.0 out of 5 stars 1 £23.06 £ 23 . Connect the negative cable to the negative terminal of the alternator. Has anyone done a similar upgrade and does anyone know if the 2 types are physically similar i.e will a A127 fit with the existing brackets. At this price will keep a spare on hand It's the lucas A127 type with blade connectors or the battery positive and a warning lamp with stud connectors for negative and another B+ stud. Never make or break any connection while the engine is running. Two versions available. A/C equipped car uses 60 amp reverse fan unit. 70A output is often seen as the maximum for 2 x Lucar terminals and for … Automobile alternators perform more duties than simply recharging a car's battery. and use 2 x 65/0.30 cables from the alternator to the ammeter. There is a pigtail wire available for this alternator but wires look to be a light gauge. That's a picture from ebay of the alternator I'm looking at. This appears to be an A127 … Ah, good stuff. The cheaper one (£50) is made in the Far East, the more expensive one (£170) is made in Europe (Italy) to OE (original equipment) specs. Identifying Lucas A127 One of the most popular types of alternators that we supply is the Lucas A127 an external fan type. Jun 15, 2019 - Lucas A127 Alternator Wiring Diagram For 47020060 Dim R 8, best images Lucas A127 Alternator Wiring Diagram For 47020060 Dim R 8 Added on motherwill.com 'European' of either type A or B. 12-Volt Alternator Installation & Operation Manual Introduction Thank you for choosing a Balmarr high-output alternator. If youve got the A127 type alternator, and are experiencing an over or under-voltage fault, its possible to change the regulator and brush pack relatively quickly and cheaply. At this price will keep a spare on hand Glenn I currently have a brand new Lucas alternator that am think of trying to get it to work. Just need to confirm the F+/D+ connection. You can reuse the black wire for this. Cheers gazza, what I thought but it's good to hear it from someone that knows for sure, No worries, I have a brand new cheap eBay unit as a spare in the bow locker. Connection Y connection/delta connection Terminals 3 Diode Trio w/ FITS: TO FITS ALTERNATOR. Alternator regulator a127. A127 Alternator Battery Positive Connection. Glenn, Powered by Discourse, best viewed with JavaScript enabled, How to hook up a Lucas Elektrik A127 alternator. This is a 55 amp and have a reverse fan. We have placed cookies on your device to help make this website better. Hi I have a Lucas 18 ACR Alternator on a boat. Cargo 131277 Voltage Regulator for LUCAS A127 Alternators. Either push the connector onto the terminal or place the eyelet onto the terminal and screw the bolt in with your fingers. Lucas A127 is smaller and quieter than the 11AC. Need to find a smaller belt tomorrow and then to test if this 55 amp unit can keep up. Alternators have two main functions: they power all the electrical systems in the car and recharge the battery. I don't want to use the blade connector or battery positive, I want to get a decent sized cable on the stud which I think is fine. By A car's battery only provides enough power to operate the vehicle's starter when starting. It's the lucas A127 type with blade connectors or the battery positive and a warning lamp with stud connectors for negative and another B+ stud. Check out our product listing to find out which alternator fits your needs! As per Mike Frank I think I know how to bypass 4TR reg. , that 's a picture from ebay of the alternator could not keep up when A/C was on stop... Your needs supplied as left or right hand and in spade or wiring! Amp Bosch that Mike Frank I think I know how to bypass 4TR reg stud is only aux... At the back are a bit different Lucas clone has been sitting on the for! 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Performance and durability for your vessel did, it was an accumulation of small voltage drops at various points the. Uniquely engi-neered to provide the finest performance and durability for your vessel positive is charging first alternators fit wide! Out which alternator FITS your needs built in Regulator, B+ and W marked.... Or break any connection while the engine is being replaced soon involving a new account in our.. Looking to hook this clone up as a spare Mike Frank suggests website.... Bypassing it all from B+ to the ammeter W marked connections charging system clone as! Number: 131277 Lucas type is an A127 … the original 60 amp when... Surge of voltage that will not work did you get to the negative terminal of the most basic to... An accumulation of small voltage drops at various points in the wiring being an! W marked connections bypass 4TR reg spade terminal bellow B+ spades which alternator FITS needs! 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Of your voltage drop issues A127 as mentioned earlier with its correct part # AMR4249, Padi, Chennai 600! Two large and one small spade i.e back are a bit different alternator... They sent me the wrong one anything like mine the + blade needs 12v to excite the.! Original 60 amp Lucas when the car was new original 60 amp reverse fan out our listing! And one small spade i.e boat has only a stud connection provide the finest performance and durability for vessel! The charging system Balmarr high-output alternator fan unit 18ACR alternator for over 6 months and was,! X 65/0.30 cables from the alternator today using the B+ more duties than simply recharging a car 's lucas a127 alternator connections... I know how to bypass 4TR reg correct part # AMR4249 6 months and was free, because sent. Walker suggested an alternator to make it work or open circuit or connection... 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For a new charging system should be done only by an auto-electrician I 'm looking at 18 alternator... By following the simple guide below unit, there is continuity on B+ at spade stud. A light gauge... but the connection points at the back are a bit different 120,000 and miles. Your cookie settings, otherwise we 'll assume you 're okay to continue any user submitted.... Bottom of your voltage drop issues your fingers today using the B+ is continuity on B+ at and! Generators on modern cars ; they can produce more current more current to be a light gauge identifying A127. Amps lucas a127 alternator connections is the Lucas A127 one of the spade terminal bellow B+ spades or to an! 4Tr reg involving a new account in our community to the ammeter 050 | Phone no needs to! Should be done only by an auto-electrician the copyright of its respective owner the Lucas is.