Noob with PIC12F683. work with Vcc from PICKIR2, always on with external power.

/************************************************************************
*                                                                       *
*   Processor:     12F683                                               *
*                                                                       *
*   Pin assignments:                                                    *
*   GP0 - ISCPDATA														*
*   GP1 - buton															*
*   GP2 - PWM															*
*   GP3 - MCLR															*
*   GP4 - Test Led		       	                                        *
*   GP5 - Touch	with GP1 as load	       								*							       	                                        		*
************************************************************************/
#include <htc.h>

/***** CONFIGURATION *****/
__CONFIG(
	FCMEN_OFF &  // Fail Clock Monitor Enable 
	IESO_OFF &  // Internal External Switch Over 
	BOREN_OFF &  // Brown-out detect modes 
	CP_OFF &  // Protection of data block 
	CPD_OFF &  // Protection of program code 
	MCLRE_OFF &  // Master clear reset
	PWRTE_OFF &  // Power up timer enable 
	WDTE_OFF &  // Watchdog timer enable 
	FOSC_INTOSCIO  // Oscillator configurations: internal
); 

// Define oscillator frequency
#define _XTAL_FREQ 8000000




void main(void)
{


	OSCCON = 0b01110001;	// 8Mhz INT OSC
	
	// Set up the PIC12F683 IO pins
	TRISIO = 0b00000000;	// Set all IO pins to output
	ANSEL  = 0b00000000;	// Disable analogue inputs
	//ADCON0=

	GPIO   = 0b00000000;	// Set all pins to zero
	OPTION_REG = 0b00000000;	// Set the option register (page 12 of DS)
	WPU    = 0b00000000;	// Set weak pull-up off on all pins
	CMCON0 = 7;		// Disable Comparator on 12F683


	while(1)
	{
		GP4=1; __delay_ms(1000);  GP4=0;__delay_ms(1000);
	}

}

while(1)
	{       GPIO   = 0b00000000;
		GP4=1; __delay_ms(1000);  GP4=0;__delay_ms(1000);
	}