Fuse size selections

[Ed_K]

I am at the point were I need to make all of my wiring modifications,( adding fuse blocks and headlight relays ). I read many old posts on the forum and have compiled a list of the various fuse sizes from different posts. The O/D fuse is an average between Dave's ( 20 amps) and Keoke's ( 10 amps) opinions: O/D= 15 amps; fuel pump, flasher/turn signal feed, windshield wiper motor, fuel gage+ tach electronics, brake light switch,heater motor, all=10 amps each; radio+amplifier=20 amps; red wire to both front and back parking lights=10 amps; inline to license plate lights( 2 bulbs)= 2 amps; inline fuse to cigar lighter=10 amps; wire to coil=10 amps. Power to both headlight relays= 1x 30 amp fuse... Could any of these be lower to offer a little more protection without blowing all the time ? comments ?
Thanks, Ed /ubbthreads/images/graemlins/hammer.gif

 

[Keoke]

Why are two headlight relays implied. /ubbthreads/images/graemlins/confused.gif-Keoke

 

[Ed_K]

I bought a headlight relay kit from VB. It has two relays, one for low beam, another for high beam. The directions are useless but I can tell from the way the harness is wired that I connect the car's low beam wire to the pick of one relay and the car's high beam wire to the pick of the other relay.

 

[Keoke]

ED, I really can't see any need for that given that the dipper switch already does that.Keoke- /ubbthreads/images/graemlins/confused.gif

/ubbthreads/images/graemlins/savewave.gif ED this is accomplised by obtaining the switched power for the headlamps from a different source. The power that energises the relay is taken from the dash switch.Consequently, no lighting current is drawn through the dash mounted headlight sw. The dipper sw is fully capable of switching and handleing the current--Keoke- /ubbthreads/images/graemlins/yesnod.gif

 

[Ed_K]

Keoke,
The whole reason to use headlight relays is to eliminate the entire headlight current from going through the headlight switch and the dimmer switch. If I connect the existing headlight wires,( outputs from dimmer switch), to the picks of the relays, then only the pick current,( very low ), will travel through the headlight switch and dimmer switch and wires. The big current will go from the 30 amp ? fuse that I will attach somewhere between the starter and the voltage regulator on the big brown wire, out to the new relays and then on to the headlights.

 

[Ed_K]

Does anyone on the forum have any comments about the fuse sizes that I am proposing to use in my 1st post ? I may have selected some that are actually too big for the attached device. I want to provide the most protection, ( lowest amp value possible ), without having the fuses blow once in a while simply because they are too small.
Thanks for any input/comments,
Ed

 

[Ed_K]

[ QUOTE ]


/ubbthreads/images/graemlins/savewave.gif ED this is accomplised by obtaining the switched power for the headlamps from a different source. The power that energises the relay is taken from the dash switch.Consequently, no lighting current is drawn through the dash mounted headlight sw.--Keoke- /ubbthreads/images/graemlins/yesnod.gif

[/ QUOTE ]
Keoke, I think we crossed updates. Will that cause a tear in the universe ??
/ubbthreads/images/graemlins/shocked.gif
Daylight is burning away. I need to get out and get something done on a day off. I'll check in later this evening.