XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

Engine bay fuse box

Old Nov 9, 2021 | 08:45 PM
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MrAndersonGCC's Avatar
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Default Engine bay fuse box

Lump’d 83. Engine bay fuse box has no labels and I’m finding varying amperage for the fuses in the few diagrams I’ve found online. Any help is very appreciated.



 

Last edited by MrAndersonGCC; Nov 9, 2021 at 09:26 PM.
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Old Nov 10, 2021 | 12:20 AM
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cabin end to radiator end:
RH dip bean
RH main beam
LH dip beam
RH main beam
Aux cooling fan and horn (the missing one in your photo)
 
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Old Nov 10, 2021 | 08:22 AM
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Thanks Greg - do you know the amperages for those fuses as well?
 
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Old Nov 10, 2021 | 03:04 PM
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Andrew hooked me up, and in case anyone is looking for the same info:

The driver's side engine bay fuses (aka "Headlamp Fuse Box"):

1. Radiator Aux Cooling Fan Motor Relay (and Horn) - 25A
2. LH Main Beam - 25A
3. LH Dip Beam - 10A
4. RH Main Beam - 25A
5. RH Dip Beam - 10A
 
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Old Nov 10, 2021 | 03:38 PM
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Remember, those are Lucas fuse ratings, different from AGC fuses. AGC ratings are how much they can carry continuously. Lucas ratings are instantaneous blow ratings. So a 25 amp AGC instead of a 25 amp Lucas would subject the circuit to far more current before it would blow. Not a good thing. Some Lucas fuses have both ratings on them, or Kirby Palm's Book has a conversion chart.
 
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Old Nov 10, 2021 | 03:40 PM
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Yes, I saw Kirby's conversion chart (and another one that differed ever so slightly somewhere else). Thanks for mentioning, though - very valuable info for anyone who stumbles on this thread in the future.
 
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