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Index > Engine/Drivetrain > Thread: electrical
Thread: electrical
Sparky


Redlining
Posts: 299
posted October 04, 2002 05:48 PM

electrical

Having ignition switch problems...Help!!
Any body have any ideas for loss of power at ignition switch. When driving with headlights on my ignition switch gets hot and I loose voltage at coils. Has anybody rewired these trucks so power bypasses ignition switch? Please help. Thanks Sparky.

       
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Jeff20B


Moderator
Posts: 661
posted October 05, 2002 01:36 AM

I've been thinking about using a relay because my ignition switch and wires get hot too.

       
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Jeff20B


Moderator
Posts: 661
posted October 06, 2002 11:10 AM

I'm going to hook up an ignition relay in my MG Midget project today. I totally don't truct MG's wiring quality. I already added a relay yesterday for the radiator fan. Heh, it hardly dims the lights now when I turn it on. That's a healthy wiring job, especially for an amp hungry fan. :)

       
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Sparky


Redlining
Posts: 299
posted October 07, 2002 10:00 PM

Thanks for the reply jeff.
So, Should I install relays for all the high amperage add-ons? I already have a 1st gen rx-7 alternator (internal voltage regulator). I'll eventually put in a stereo and electric radiator fan. Also, I have a couple of aircraft landing lights from a previous REPU going in for high beams, I have no idea how many watts. Have you heard of anyone rewiring these trucks with a newer fusebox? Sparky

       
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Jeff20B


Moderator
Posts: 661
posted October 08, 2002 01:53 AM

Yeah. You won't regret it. Use some 10AWG wire at least.

Are you the guy with the aircraft landing lights? I remember you! When I first read about that mod a couple of years ago, I really wanted to look into it. I never got any, but that would be a cool mod.

I just finished the ignition relay tonight after too many interuptions to count, along with nearly finishing rewiring my whole ignition system (from the key switched wire forward). I expect to finish it all tomorrow.

       
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Sparky


Redlining
Posts: 299
posted October 09, 2002 05:41 PM

Hi Jeff,
I'm not the guy you mentioned about the air craft landing lights. This is the first time for me on the net re: REPU. The air craft landing lights are awesome. You might need to increase your idle if you ever get them, I had to. Where did you get tour relays? Also, what amperage?

       
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Rotor


Revvin Up
certifiable rotorhead
Posts: 70
posted October 09, 2002 06:02 PM
Edited By: Rotor on 9 Oct 2002 18:04

I've been using aircraft landers for high beams since I put the first set in my 78 RX-3 SP in about 1979. They really make the difference between night and day, pun intended!

I use Chrysler starter relays for my landers, and the 90/130 watt Hella low beams. Also for the 130 watt driving lights. Plenty of relay for any lighting you want to run! Cheap, small, and very reliable. There is two different types of relay. One for automatic trans, with 4 terminals, one for manual with 3 terminals. You can use the auto relay with a switch to enable/disable the auxilary lights for around town use. I just use the manual relay, easier to wire.

Rotor

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ROTOR

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Rotor


Revvin Up
certifiable rotorhead
Posts: 70
posted October 09, 2002 06:14 PM

Hot Wires

Most of the problem with ANY old Mazda is not the wires, or the switches, but the connectors! A lot of wiring problems can be repaired by cleaning/replacing the terminals in the connectors.

Rotor

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repuguru


Redlining
Posts: 319
posted October 09, 2002 08:09 PM

Speaking of bad connectors.
I lost my cluster lights again.
I guess its time to pull out the panel again and try to clean the terminal where the light wire goes to the main plug.
____________
77' REPU plus a few spare parts
for it.
85' GSL-SE
83' GSL

       
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Draggin_2600i


Redlining
Posts: 235
posted October 10, 2002 11:08 AM

Go to an electronics supply store and get some spray stuff they have that is like clearcoat. it seal the cirsuits from any corrosion. Maybe this will prolong the times you have to take apart the cluster..

       
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